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All 144 Matching Words

halfendeal(archaic) A half.halobenzyl(organic chemistry, especially in combination) A halogenated derivative of a benzyl radicalhalomethyl(organic chemistry, especially in combination) Any halogen substituted methyl radical or grouphalophenol(organic chemistry) Any halogen derivative of a phenolhalophenyl(organic chemistry, especially in combination) A halogenated derivative of a phenyl radicalhammermill(transitive) To shred or crush by means of a hammermill.handbagfulAs much as a handbag will hold.handscrollA traditional Asian scroll that unfolds horizontally so that the reader can view one section at a time while holding it in the hands.hantaviralOf or relating to hantaviruses.haplustoll(soil science) A haplic ustollharbourfulAlternative form of harborful.harmonical(mathematics, archaic) Synonym of harmonic mean.haruspicalRelating to a haruspex.haustorialRelating to a haustorium.hebdomadalWeekly, occurring once a week.hectokatal(metrology) An SI unit of catalytic activity equal to 10² katals. Symbol: hhelicoidalSynonym of helicoid.helicticalHaving the form of a helix; helicalhematozoalAlternative form of haematozoal.hemelytralRelating to the hemelytron.hemiacetal(organic chemistry) Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen).hemiaminal(organic chemistry) Any organic compound having both an amino and a hydroxy functional group attached to the same carbon atom; they are synthesized by reacting ammonia or an amine with an aldehyde or ketone.hemiboreal(ecology) Describing a climate midway between a temperate and a boreal onehemiclonalRelating to hemiclones.hemidactyl(zoology) Any of the Old World geckos of the genus Hemidactylus; house geckohemifacial(anatomy) Relating to, or affecting, one half of the face.hemiformal(organic chemistry) A hemiacetal of formaldehydehemihedral(crystallography, of a crystal) Having only half the plane faces needed for the highest degree of symmetry in its systemhemipenialOf or pertaining to a hemipenis.hemipteralOf or pertaining to the Hemiptera order; hemipteran.hemispinal(anatomy) Describing either side of the spinal cordhemitropal(crystallography) Of a crystal: having one part in reverse position with reference to the other part; twinned.heptadecyl(organic chemistry) Any of very many isomeric univalent hydrocarbon radicals, C₁₇H₃₅, formally derived from heptadecane by the loss of a hydrogen atom.heptagonalHaving seven angles and sides.heptaminolAn amino alcohol classified as a vasodilator.heptarchalOf or relating to a heptarchy.heraclenol(organic chemistry) The coumarin derivative 9-(2,3-dihydroxy-3-methylbutoxy)furo[3,2-g]chromen-7-one found in some citrus plantsherbicidalof, or relating to herbicidesherbivoral(biology) Relating to herbivores or to herbivoryhereticallArchaic spelling of heretical.heretickalObsolete form of heretical.herewithal(nonstandard, rare) Alternative form of wherewithal.hermeticalAlternative form of hermetic.hermiticalPertaining to a hermit; reclusive.heronsbillSynonym of storksbill (“plant of genus Erodium”).herpeticalAlternative form of herpetic.heteroaryl(organic chemistry) Both heterocyclic and aromatic; heteroaromaticheterophilAlternative form of heterophile.hexachiral(mathematics) hexagonal and chiralhexactinal(biology) Having six rays.hexadactylA person who exhibits sexdactyly.hexagonial(obsolete) hexagonalhexahedralHaving six plane surfaces.hexamethyl(organic chemistry) (in combination) six methyl groups in a moleculehexanediol(organic chemistry) Any of several isomeric diols derived from hexane, but especially 1,6-hexanediol that has many industrial useshexanickel(chemistry, in combination) six atoms of nickel in a chemical compound.hexapradolα-butyl-β-hydroxy-β-phenylamphetamine, a psychostimulant drug of the amphetamine class.hexaprenyl(organic chemistry) The alkyl group composed of six prenyl (isoprenyl) groups concatenated 3,7,11,15,19,23-hexamethyltetracosahexaen-1-ylhexaradialHaving hexagonal radial symmetryhexauranyl(chemistry, in combination) Six uranyl functional groups in a compound.hexoestrolAlternative form of hexestrol.hierarchalRelating to a hierarch.hieraticalAlternative form of hieratic.highschool(proscribed) Alternative form of high school.hinokitiol(organic chemistry) A natural monoterpenoid found in the wood of trees in the family Cupressaceae.histidinol(organic chemistry) The amino alcohol 2-amino-3-(1H-imidazol-5-yl)propan-1-ol that is an intermediate in the biosynthesis of histidinehistidinyl(organic chemistry, in combination) A univalent radical derived from histidinol or histidinehistomonalRelating to the histomonadshistoricalOf, concerning, or in accordance with recorded history, (particularly) as opposed to legends, myths, and fictions.hobosexualA person sexually attracted to tramps or hobos.hogeschoolA Dutch polytechnic or college; a higher education institution of lower rank than a university.holochroal(of eyes) Having compound lenses, each with separate cornea, each lens separated from others by shallow scleral walls; corneal membrane ends at lens edgeholoclonalRelating to a holocloneholodorsalCovering all the backholohedral(of a crystal) Having as many plane faces as needed for the highest degree of symmetry in its systemholophotal(optics, archaic) Causing no loss of light; reflecting the rays of light without perceptible loss.holorhinal(dated, anatomy, ornithology) Having the nasal bones contiguous (joined).holospinalRelating to the entire spineholothecalHaving the tarsal envelope undivided.homaloidal(geometry, in Euclidean geometry) flat; even; applied to surfaces and spaces in which the Euclidean definitions, axioms, and postulates respecting parallel straight lines are assumed to hold true.homeschool(intransitive) To be educated at home.homocercal(ichthyology) Describing the symmetric tail of a fish that has two lobes extending from the end of the vertebral column.homochiral(chemistry) Having the same chirality.homoclinalSynonym of homoclinic.homoclonalRelating to identical clones of the same organismhomoeoidalAlternative form of homeoidal.homogeneal(now rare) Homogeneous.homohedralHaving equal or corresponding faces.homosexual(of a romantic or sexual act or relationship, formal, distancing or dated) Between two people of the same sex; gay.homosocialPertaining to homosociality, to social interaction with the same sex.homotaxial(biology) Relating to homotaxis.homotropalSynonym of homotropous.horizontalPerpendicular to the vertical; parallel to the plane of the horizon; level, flat.horoscopalRelating to a horoscope.horrificalOf or pertaining to horror.horsewheelA millwheel driven by the motion of a horse or horses.hortensial(obsolete) Fit for a garden.houndskullAlternative form of hounskull.hydrazinylThe radical NH₂-NH- derived from hydrazinehydrazonyl(organic chemistry, especially in combination) Any univalent radical derived from a hydrazonehydrocoralAny hydrozoan, of the order Anthoathecata, that has a calcareous skeleton and so resembles a coralhydropedal(zoology) (of a mosasaur) Having limbs in the form of paddleshydroseralRelating to a hydrosere.hydrosomalRelating to the hydrosoma.hygienicalRelating to hygiene.hyoglossal(anatomy) Pertaining to or connecting the tongue and hyoid bone.hyolingualRelating to the hyoid bone and the tonguehyosternal(anatomy, archaic) Between the hyoid bone and the sternum, or relating to both of them; infrahyoid.hypabyssal(geology, of rock) that solidifies, as a minor intrusion, before reaching the Earth's surfacehypaethralOpen-air, outdoor, exposed to the sky.hypandrialRelating to the hypandriumhypanthialRelating to the hypanthium.hyperferal(uncommon) Highly feral.hyperfocal(photography) Describing the distance on which a camera must be focused in order to achieve the maximum depth of fieldhyperideal(mathematics) An ideal of a semihypergroup.hyperlegalMaking very great or excessive use of the legal system.hyperlocal(chiefly journalism and blogging) Related to a very small area, smaller than normally considered local.hypermoralExtremely or excessively moral.hypernasal(of speech) Excessively nasal.hypernovelA novel written in a hypertext medium.hyperphyll(botany) A distal part of a sprout or a leaf.hypersigilA complex, elaborate form of sigil in occult practices.hypersilyl(organic chemistry, especially in combination) The tri-trimethylsilyl-silyl radical ((CH₃)₃Si)₃Si- that forms an extended hemispherical shieldhypervoxelA multidimensional analogue of a voxelhypnoticalSynonym of hypnotic.hypocampalMisspelling of hippocampal.hypocercal(zoology, of a fish tail) having the lower lobe more pronounced or larger than the upper lobehypocrital(dated) hypocriticalhypodermalOf or pertaining to the hypodermishypolemmal(anatomy) underneath a sheathhyponecral(botany) Below a necral layerhyponeuralDescribing an undeveloped part of the nervous system of echinodermshyponormal(mathematics) Having a self-commutator that is greater than or equal to zero.hypopycnalHaving a lower density.hypopygialRelating to a hypopygiumhyposeptalBelow the septum.hyposexualOf or relating to hyposexualityhypostomalRelating to a hypostomehypotarsalRelating to the hypotarsus.hypothecal(microbiology, planktology) Of or pertaining to the hypotheca, the lower half of the shell of certain types of planktonhypothenal(anatomy, rare) hypothenarhypsophyll(botany) A bract or bracteole.hystericalOf, or arising from hysteria.hystoricalMisspelling of historical.