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nafertisite(mineralogy) A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, silicon, sodium, and titanium.nagilactone(organic chemistry) Any of a group of diterpenoid lactones that have antifungal activitynaltrindoleA highly potent and selective delta opioid receptor antagonist used in biomedical research.namansilite(mineralogy) A monoclinic-prismatic mineral containing manganese, oxygen, silicon, and sodium.nandigerine(organic chemistry) A noraporphine with chemical formula C₁₈H₁₇O₄N, found in Hernandia ovigera.nanobalanceA nanoscale mechanical resonator used to measure the mass of particles and molecules down to zeptogram scale.nanobarcodeA nanoscale barcode (typically composed of nanoparticles)nanobristleA nanoscale bristle, especially one of many that make up a nanostructurenanocapsuleA colloid whose particles have dimensions measured in nanometres, especially such an emulsion of water and oil or biological lipidsnanociliateA nanosized ciliatenanoellipseA nanoscale ellipsenanofeatureA nanoscale featurenanoferriteA nanoscale ferrite (crystal)nanoglobuleA nanoscale globulenanogranuleA nanosized granulenanolatticeA lattice having nanosize elementsnanomachineAny mechanical device, manufactured using nanotechnology, having a scale measured in nanometres.nanomicelleA nanoscale micelle, especially one used for drug deliverynanopackageA package constructed from nanomaterials.nanopeptideA peptide used as a biological nanomaterialnanopipetteA nanoscale pipettenanorosetteA nanoscale rosettenanoscienceThe underlying science of nanotechnology.nanoshuttle(chemistry) A nanoparticle assembly, consisting of gold, iron oxide, and polylysine, that carries cargo along a nanoscopic railnanosurfaceA surface that has been modified using nanotechnologynanosyringeA nanoscale syringe (especially one that is part of a lab on a chip)nanotextileAny textile made using nanotechnologynanotexturenanoscale texturenanovaccineAny vaccine containing nanoparticlesnanovehicle(medicine) A nanoscale vehicle (for drug delivery)nanovesicleA nanosize vesiclenanowrinkleA nanoscale wrinklenanozeoliteA zeolite that has nanosized poresnanterinone(pharmacology) A phosphodiesterase inhibitor.naphazoline2-(1-naphthylmethyl)-2-imidazoline hydrochloride, a sympathomimetic agent used as a vasoconstrictor.naphthalate(chemistry, obsolete) A salt of naphthalic acid; a phthalate.naphthaleneA white crystalline hydrocarbon manufactured from coal tar; used in mothballs.naphthalide(organic chemistry) a derivative of naphthalene; specifically a compound containing the monovalent naphthalene radical or the naphthalenide anionnaphthaliseAlternative form of naphthalize.naphthalize(chemistry) To mix or saturate with naphtha.naphthenate(organic chemistry) Any salt or ester of naphthenic acid.naphtholate(organic chemistry) Any anion derived from naphthol, or any salt containing such an anion.naphthylene(organic chemistry) Any arylene derived from naphthalenenapoleonite(mineralogy) A variety of diorite characterized by orbicular structure.napropamide(organic chemistry) The pesticide N,N-diethyl-2-naphthalen-1-yloxypropanamidenarcoticize(rare) To drug, narcotize; to render drugged or as drugged.narcotoline(organic chemistry) An opiate alkaloid similar to noscapinenaringinase(biochemistry) Any of a group of glucosidases that catalyze the hydrolysis of naringin glycosides (and thus reduce the bitter taste of grapefruit)narrativiseAlternative spelling of narrativize.narrativizeTo turn into a narrative.nasledovite(mineralogy) A triclinic snow white mineral containing aluminum, carbon, hydrogen, lead, manganese, oxygen, and sulfur.nastrophite(mineralogy) An isometric-tetartoidal colorless mineral containing barium, hydrogen, oxygen, phosphorus, sodium, and strontium.nataglinideAlternative form of nateglinide.nateglinide(organic chemistry, pharmacology) A meglitinide drug for the treatment of type 2 diabetes that lowers blood glucose by stimulating the release of insulin from the pancreas.nationaliseNon-Oxford British English standard spelling of nationalize.nationalizeTo bring a private company, or an industry comprising such companies, under the control of a specific government.natrosilite(mineralogy) A monoclinic-prismatic mineral containing oxygen, silicon, and sodium.natroxalate(mineralogy) A monoclinic-prismatic mineral containing carbon, oxygen, and sodium.nattokinase(biochemistry) A serine protease of the subtilisin family, extracted from natto.naturescapeA natural landscape.naujakasite(mineralogy) A mineral comprising mostly oxygen, silicon, aluminium, and sodium.nauticalese(informal) Nautical jargon.nautilicone(malacology) A shell having the form of a coiled spiral (in which the whorls impress each other) like a nautilus.navigatable(possibly nonstandard) Navigable.nebbishlikeResembling, or characteristic of, a nebbishnecessitate(transitive) To make necessary; to behove; to require (something) to be brought about.necessitude(rare) The state or characteristic of being in need; neediness.necoloidineA solution of pyroxylin in ether used in the preparation of microscopic slidesnecriscence(biology) serotiny as a result of the death of a plantnecroenzyme(biochemistry) An enzyme associated with necrosisnectarivore(zoology) An animal that principally eats nectar.nectarthodeA pore, in the base of a flower, through which nectar is secretednectochaeteThe free-swimming larva of a polychaeteneedlestone(archaic, mineralogy) natroliteneedletradeAny line of work involving the use of a needle with textiles, such as embroidery or the making of clothes.negatoscope(obsolete, photography) A device used to display negatives, now only used to display x-ray imagesneglectableSmall enough or unimportant enough to be neglected; negligible.neglectibleAlternative form of neglectable.negligeableArchaic form of negligible.negundoside(organic chemistry) An iridoid glucoside isolated from Vitex negundo.neighborite(mineralogy) An orthorhombic-dipyramidal mineral containing fluorine, magnesium, and sodium.neknominateSynonym of neknomination.nekrasovite(mineralogy) An isometric-hextetrahedral reddish brown mineral containing antimony, arsenic, copper, iron, sulfur, tin, vanadium, and zinc.nematophoreA polyp, in some hydrozoans, that contains nematocystsnemonapride(pharmacology) An atypical antipsychotic.neoammoniteAny ammonite (Ammonoidea) of the Jurassic period, descended from Psiloceras, the sole surviving ammonite genus of the Triassic–Jurassic extinction event.neocembrene(organic chemistry) Cembrene A, a natural monocyclic diterpene isolated from corals of the genus Nephthea.neocoloniseBritish standard spelling of neo-colonize.neocolonizeAlternative spelling of neo-colonize.neoconcreteOf or relating to a Brazilian art movement of 1959–61 which rejected the pure rationalist approach of concretism and embraced a more phenomenological and less scientific art.neocuprioneMisspelling of neocuproine.neocuproine(organic chemistry) The ligand 2,9-dimethyl-1,10-phenanthrolineneolepadineAny gooseneck barnacle of the subfamily Neolepadinaeneolocalize(genetics) To move a gene to a new locationneomembraneA newly-formed membrane (typically, on a wound)neomorphine(organic chemistry) A 3-O-demethylated derivative of morphineneonaticideThe murder of a newborn within 24 hours of birth.neopaganize(transitive) To make neo-pagan.neornithine(zoology) A modern bird (Aves or Neornithes), as opposed to other avialansneosilicate(inorganic chemistry) any simple silicate mineral in which the SiO₄ tetrahedra are isolated and have metal ions as neighboursneossoptile(biology) Any of the soft down feathers of a newly-hatched birdneostigmine(pharmacology) An anticholinesterase drug used in the form of its bromide C₁₂H₁₉BrN₂O₂ or a methyl sulfate derivative C₁₃H₂₂N₂O₆S especially in the diagnosis and treatment of myasthenia gravis and in the treatment of urinary bladder or bowel atony.nephelinite(geology) A darkish, finely crystalline rock of volcanic origin, being a mixture of nepheline and pyroxenenephelinize(geology) To convert into a nephelinenephrophaneA form of cellulose used to construct dialysis membranesnephroscope(surgery) An instrument used to examine the kidney through an inserted tubenephrostomeThe funnel-shaped opening of a nephridium into the body cavity.neridronate(pharmacology) The conjugate base, or any salt or ester, of neridronic acid. Used as a medication to inhibit bone loss in disorders of bone metabolism.neriifosideA particular steroid glycoside.neriumosideA particular steroid glycoside.netherverse(fantasy) A lower universe, realm, or region; underworld.networkableSuitable for networking.networkwidethroughout a network.neuraminate(chemistry) Any salt or ester of neuraminic acid.neuroactiveThat acts on the central nervous system.neurobabbleA neuroscientist jargon employed in an attempt to make tangential broader claims of lesser verisimilitude appear acceptable.neurodamage(pathology) damage to the nervous systemneuroimmune(immunology) Describing those components of the nervous system that modulate the immune responseneurologize(transitive) To reduce to a matter of neurology; to treat as neurological.neurorescueThe repair of damaged neuronsneurosphere(embryology, neurology) A free-floating structure generated in vitro by neural stem cellsneuroticize(transitive) To make neurotic; to convert into a neurosis.neurotomize(surgery) To perform a neurotomyneurotubuleA microtubule in the synaptic ending of some neuronsneutropauseThe boundary between the neutrosphere and the ionosphereneutrophile(biology) Any organism that thrives in a relatively neutral pH.nevjanskite(mineralogy) Alternative form of nevyanskite.nevyanskite(mineralogy) A variety of osmiridium containing over 40% iridium.newsgroupie(Internet, slang) A user of Internet newsgroups; a newsgrouper.niacinamide(organic chemistry) The amide of niacin.nicanartineAn antilipidemic drug.nicardipine(pharmacology) A calcium channel blocker used to treat high blood pressure and angina.nicergoline(pharmacology) An ergot derivative used to treat senile dementia and other disorders with vascular origins.nickelocene(organic chemistry) The nickel metallocene bis(cyclopentadienyl)nickel.niclosamideA teniacide that is especially effective against cestodes that infect humans, also used as a piscicide.nicoclonateAn antilipidemic drug.nicocodeineAn opiate derivative, closely related to dihydrocodeine, developed as a cough suppressant and analgesic.nicofibrateAn antilipidemic drug, a derivative of clofibrate and nicotinic acid.nicotelline(organic chemistry) A tricyclic heterocycle composed of three linked pyridine rings, 2,4-dipyridin-3-ylpyridinenicotianine(organic chemistry) A white waxy substance with a hot, bitter taste, extracted from tobacco leaves.nidroxyzoneA topical anti-infective drug.nifontovite(mineralogy) A monoclinic mineral containing boron, calcium, hydrogen, and oxygen.nifurmerone(pharmacology) An antifungal drug.nifuroquine(pharmacology) A topical antiinfective drug.niggeresque(offensive, ethnic slur) Resembling or pertaining to black people.niggerphile(slang, ethnic slur, derogatory, offensive) A non-black person fond of black people.niggerwhine(slang, derogatory, offensive, ethnic slur) A complaint or complaints made by a black person.nightbreezeBreeze during the night.nightertale(archaic) The period of night; nighttime.nightingaleA Eurasian and African songbird, Luscinia megarhynchos, family Muscicapidae, famed for its beautiful singing at night; a common nightingale.nigraniline(organic chemistry) A complex, nitrogenous, organic base and black dyestuffnigrescenceThe process of becoming black or dark; blackening.niguldipine(pharmacology) A calcium channel blocker and a1-adrenergic receptor antagonist.nikethamideA stimulant which mainly affects the respiratory cycle.nillionaire(humorous, sometimes derogatory) Somebody without money.nilsequence(mathematics) A sequence of zero elementsnilvadipine(pharmacology) A calcium channel blocker.niningerite(mineralogy) A magnesium-iron-manganese sulfide mineral.niphatenone(organic chemistry) Any of a group of glycerol ethers present in the sponge Niphates digitalisniprofazoneA nonsteroidal anti-inflammatory drug.nisoldipine(pharmacology) A calcium channel blocker of the dihydropyridine class.nitramidineAn early form of nitrocellulosenitranilate(organic chemistry) Any salt or ester of nitranilic acidnitraniline(chemistry) Any of a series of nitro derivatives of aniline.nitrazepate(pharmacology) An anxiolytic benzodiazepine drug.nitrefazoleA particular enzyme inhibitor used in the treatment of alcoholism.nitrifiableCapable of being nitrified.nitrilimine(organic chemistry) nitrile imidenitrilosideamygdalin; vitamin B17nitroalkaneAny alkane containing a nitro groupnitroalkene(organic chemistry) Any nitro derivative of an alkenenitrobarite(mineralogy) A mineral consisting of barium nitrate.nitroethane(organic chemistry) The aliphatic nitro compound CH₃-CH₂-NO₂ that is used as a specialist solvent, and as a fuel additivenitrogenase(biochemistry) Any enzyme, especially in nitrogen-fixing bacteria, that catalyzes the conversion of atmospheric nitrogen into ammonia.nitrogenate(transitive) To treat something with nitrogen gas, especially with the intent of replacing gaseous oxygen.nitrogeniseAlternative spelling of nitrogenize.nitrogenize(transitive) To treat with nitrogen or a nitrogen compound.nitroindole(organic chemistry) Any nitro derivative of an indole, but especially 4-nitroindole or 5-nitroindolenitrooleate(organic chemistry) Any salt or ester of nitrooleic acidnitropyreneAny of three isomeric nitro derivatives of pyrenenitrosamide(chemistry) the unstable compound H₂N-NO and any of its hydrocarbyl derivatives; the nitrosaminesnitrosamine(chemistry) A divalent functional group, >N.N=O.nitrosativeRelating to the oxides of nitrogennitrosimine(chemistry) any compound of general formula R₂C=N-N=O, the N-nitroso iminesnitrosylate(biochemistry) To react a nitrosyl (NO) group with the sulfur-containing cysteines of a protein.nitroxolineAn antibiotic with antiangiogenic properties.nitroxylene(organic chemistry) Any nitro derivative of xylenenizamoffite(mineralogy) A colourless orthorhombic mineral containing hydrogen, manganese, oxygen, phosphorus, and zinc.noberastineA histamine 1 receptor antagonist.nociceptive(physiology) Relating to the perception or sensation of pain.nocifensive(biology) Describing a response to pain or discomfortnoctilucine(biochemistry) A nitrogenous substance in fireflies, glowworms and marine animals, once believed to be responsible for their luminescence.noctivagate(rare, intransitive) To go about by night.nomifensineA norepinephrine and dopamine reuptake inhibitor once investigated as an antidepressant.nonablativeThat does not cause ablationnonabstruseAlternative form of non-abstruse.nonabusableNot abusable, especially not addictive.nonaccurateNot accurate; imprecise; conducive to inaccuracies.nonacontane(organic chemistry) Any saturated aliphatic hydrocarbon that has 90 carbon atoms, but especially n-nonacontanenonactinideAny element that is not an actinide.nonadaptiveNot adaptive; unable to adapt.nonadvocateOne who is not an advocate.nonahydrate(chemistry) A hydrate whose solid contains nine molecules of water of crystallization per molecule, or per unit cellnonanalogueAlternative spelling of nonanalog.nonapeptide(biochemistry, organic chemistry) An oligopeptide formed from nine amino acidsnonaspirate(phonetics) A sound that is not an aspirate.nonasulfide(inorganic chemistry) A sulfide having nine atoms of sulfur per moleculenonattendeeA person who is not an attendeenonattitudeA belief made up ad hoc by someone who does not actually have an opinion on the subject.nonbarbecueNot of or pertaining to a barbecue.nonbaselineNot of or pertaining to a baseline.nonbeverage(often attributive) That which is not a beverage.nonboldfaceAlternative form of non-boldface.nonburnableThat cannot be burnt; incombustible.noncaffeineWithout caffeine or not being caffeine.noncallable(finance) Not callable.noncassetteNot of or pertaining to cassettes.noncelibateNot celibate; thus, engaging in sexual activity.nonchalanceIndifference, unconcern; carelessness; coolness; disregard, detachment.nonchlorineNot of or pertaining to chlorine.nonchokableOn which a person cannot choke.noncoerciveNot coercive; free of coercionnoncoverageAbsence of coverage; the state of not being covered.noncreativeNot creative: unrelated to creativity.noncredenceLack of credence; failure to believe in something.noncytokineNot of or pertaining to a cytokine.nondatabaseNot of or pertaining to a database.nondecreaseThe situation in which something does not decrease; an increase or equilibrium.nondefianceLack of defiance.nondefinite(chiefly linguistics) Not definite.nondelegateOne who is not a delegate.nondeniableNot deniable; that cannot be denied.nondextroseNot of or pertaining to dextrose.nondialoguelanguage other than dialoguenondiapauseThat is not undergoing diapausenondimmableSynonym of undimmable.nondiscreteNot discrete mathematically.nondomicileNot of or pertaining to domicile.nondrainageNot of or pertaining to drainage.nonemployeeOne who is not an employee.nonensembleNot involving or relating to an ensemble.nonentitive(now rare) Without substance.nonentitize(transitive) To make into a nonentity; to remove all agency or relevance from.nonethyleneNot of or pertaining to ethylene.nonevidenceNot of or pertaining to evidence.nonexchange(finance, chiefly attributive) That which is not an exchange; an unequal transaction.nonexerciseNot being or pertaining to exercise.nonexposureLack of exposure.nonfeasance(law) The intentional failure to perform an official duty or legal requirement.nonfluorineNot of or pertaining to fluorine.nonfolkloreThat which is not folklore.nonfractureNot of or pertaining to fracture.nonfungible(chiefly property law, finance) Not fungible, not interchangeable.nongasolineNot of or pertaining to gasoline.nongermlineThat is not part of a germlinenongradableAlternative form of non-gradable.nongraduateA person who is not a graduate.nonhardwareThat is not, or does not relate to, hardware.nonheadlineNot of or pertaining to headlines; of lesser importance.nonheritageNot of or by heritage.nonhomicideA death that is not a homicide.nonindigeneOne who is not an indigene; somebody not indigenous to an area.noninfiniteNot infinite; finite.noninitiateOne who has not yet been initiated.noninstanceThat which is not an instance; an occurrence of something other than what is looked for.nonissuanceFailure to issue something.nonjuvenileNot juvenile; adult.nonlandline(telecommunications) Not being or relating to a landline.nonlanguageThat which is not a language.nonlevuloseNot of or pertaining to levulose.nonliterateNot literate; illiteratenonmagazineNot of or pertaining to magazines.nonmailableNot mailable; that cannot (legally) be sent by mail.nonmarriage(uncountable) Failure to marry.nonmaskable(computing) Not maskable.nonmembraneNot of or pertaining to a membrane.nonmigraineNot of or pertaining to migraine.nonmortgage(finance) Not involving a mortgagenonnegativeAny value that is not negative.nonnettable(finance) Not capable of producing a net profit on the books.nonnonsenserare spelling of non-nonsense.nonpackableAlternative form of non-packable.nonparasiteA creature that is not a parasite.nonpareille(printing, French and German contexts, dated) Synonym of nonpareil.nonpedigreeWithout, or not pertaining to, a pedigree.nonpossible(nonstandard) Impossible.nonpracticeNot being or relating to practice (in various senses).nonpremiereNot a premiere.nonpresenceNot being present; absence.nonpressureNot involving or relating to pressure.nonprestigeNot having or conveying high prestige; of unremarkable reputation.nonpurchaseNot involving a purchasenonreactiveThat will not react.nonrecourse(finance) Of or pertaining to a form of financing, typically debt financing, in which the lender's recourse to recovery in the event of default is limited to the collateral asset only.nonrelativeAlternative spelling of non-relative.nonrelianceAbsence of reliance; the state of not relying on something.nonresponseThe absence of a response.nonroughage(often attributive) That which is not roughage.nonroutableThat cannot be routed.nonrunnable(computing) Not runnable.nonsentence(grammar) An utterance that is not a sentence.nonsequenceThat which is not a sequence.nonsilicateA substance that is not a silicate.nonslippageAbsence of slippage.nonsoftwareThat is not, or does not relate to, software.nonspoilageNot causing, or relating to, spoilage of food etc.nonstorableNot capable of being stored.nonsuffrageNot of or relating to suffrage.nonsummable(mathematics) That cannot be summednonsurpriseThat which is not a surprise.nontemplate(genetics) Not functioning as a template in DNA replicationnonterrible(rare) Not terrible; decent, acceptable.nontreasureSomething or someone that is not a treasure.nonundoable(rare) Not undoable; impossible to undo.nonuniverseThat which does not constitute the universe; something outside or beyond the universe.nonuplicateA set of nine like or identical thingsnonurbaniteOne who is not an urbanite.nonurethaneNot of or pertaining to urethane.nonvariableconstant, not variablenonviolenceA philosophy that rejects the use of violence, and instead seeks to bring about change through peaceful responses even to violent acts.nonvoidableThat cannot be voided.nonvolatileNot volatile (in any sense).nonwildlifeNot of or pertaining to wildlife.nonwireline(telecommunications) Not being or relating to a landline.nonxanthineNot of or pertaining to xanthine.noodlewhore(vulgar, derogatory, ethnic slur) A woman of East Asian (especially Japanese) heritage.norabietane(organic chemistry) A derivative of abietane one of which is a component of fichtelitenorboletoneAn anabolic steroid.norcorydine(organic chemistry) An aporphinoid alkaloid found in Glaucium fimbrilligerum.nordmarkite(mineralogy) A variety of syenite with quartz, mostly composed of microperthite.norketamine(organic chemistry) The metabolite of ketamine 2-amino-2-(2-chlorophenyl)cyclohexan-1-onenormativize(transitive) To make normative.normoactive(medicine) Having a normal level of activity; neither hypoactive nor hyperactive.normorphine(pharmacology) An opiate analogue, the N-demethylated derivative of morphine.nornicotine(organic chemistry) An alkaloid, 3-[(2S)-2-pyrrolidinyl]pyridine, formally derived from nicotine by removal of the N-methyl groupnorpipanoneAn opioid analgesic related to methadone.norpregnane(organic chemistry) A derivative of pregnane with a shorter sidechainnorpregneneA norsteroid based on a pregnene.norpristane(organic chemistry) The hydrocarbon 2,6,10-trimethylpentadecanenorthbridge(computing, electronics) A microchip connected directly to the CPU (unlike the southbridge) and thus responsible for tasks that require the highest performance.northerniseAlternative spelling of northernize.northernizeTo make something northern in character.norvalinate(organic chemistry) Any salt or ester of norvalinenosiheptide(pharmacology) A particular macrocyclic thiopeptide antibiotic.notharctineAny extinct primate of the subfamily NotharctinaenotungulateAlternative form of notoungulate.noumenalize(transitive) To make noumenal.nourishableCapable of being nourished.novellalikeResembling a novella.novemvirate(uncommon) A group of nine people, especially (politics) a council of nine men who share office or rule.noxiptilineAn antidepressant drug.nucicultureThe growing of nuts.nucleophile(chemistry) A compound or functional group that is attractive to centres of positive charge, and donates electrons, especially donating an electron pair to an electrophile to form a bond.nucleuslikeResembling or characteristic of a nucleus.nudicauline(biochemistry) A toxic alkaloid found in some larkspurs.nuffieldite(mineralogy) An orthorhombic-dipyramidal pale creamy white mineral containing bismuth, copper, lead, and sulfur.nukundamite(mineralogy) A trigonal-hexagonal scalenohedral copper red mineral containing copper, iron, and sulfur.nullaginite(mineralogy) A monoclinic mineral containing carbon, hydrogen, nickel, and oxygen.nullifiableAble, or allowed to be nullified.nullizygote(genetics) A nullizygous cell or organismnullsurface(mathematics) A surface whose normal at all points is a null vectornumberplateAlternative spelling of number plate.numerophile(rare) Someone who loves numbers.numerophobe(rare) Someone who hates or is afraid of numbers.nuncupativeOral; not written.nupharamine(organic chemistry) Any of a group of sesquiterpenoid piperidine alkaloids found in Nuphar japonica and castoreum.nutrigenomeThe collection of genes related to nutritionnuvenzepine(pharmacology) An antimuscarinic drug.nymphophile(rare) A hebephile who is attracted to girls.