Browse Other H Word Lengths
18-Letter H Words by Ending Letter
All 323 18-Letter Words Starting With H
haematofluorometerAlternative form of hematofluorometer.haematometrocolposAlternative form of hematometrocolpos.haematopathologistAlternative form of hematopathologist.haematopoieticallyIn a haematopoietic manner.haematoproteinuria(pathology) The presence of haemoprotein in the urinehaematoproteinuric(pathology) Relating to haematoproteinuriahaemocompatibilityAlternative form of hemocompatibility.haemoconcentrationAlternative form of hemoconcentration.haemodiafiltrationAlternative form of hemodiafiltration.haemoglobinisationAlternative form of hemoglobinization.haemoglobinizationAlternative form of hemoglobinization.hallucinogenicallyin a hallucinogenic mannerhandicraftsmanshipSynonym of handicraftship.haploinsufficiency(genetics) The state of a diploid organism having only a single copy of a particular gene, the other copy being inactivated due to mutationhecatonicosachoron(geometry) A four-dimensional object analogous to a dodecahedron, constructed out of one hundred and twenty dodecahedra, arranged 4 to a vertex.helicobactericidalThat kills helicobactersheliohydroelectricThat which generates electricity by tapping the refilling flow of water into a basin emptied by solar-enhanced evaporation.helioseismologicalOf or pertaining to helioseismology.helminthologicallyBy means of helminthologyhemangiopericytoma(oncology) A sarcoma of the soft tissue that originates in the pericytes in the walls of capillaries.hematopathologicalRelating to hematopathology.hematopneumothoraxAlternative form of hemopneumothorax.hemicerebellectomy(surgery) Removal of the left or right half of the cerebellumhemidemisemiquaver(music) A sixty-fourth note, drawn as a crotchet with four tails.hemimandibulectomy(surgery) excision of one half of a mandiblehemimegalencephaly(pathology) megalencephaly that affects only one half of the brainhemiphosphorylatedPartially phosphorylatedhemisemidemiquaver(UK, music) A sixty-fourth note.hemoglobinopathiesplural of hemoglobinopathyhemorrhoidectomiesplural of hemorrhoidectomyhepatoarchitectureThe hexagonal arrangement of plates of hepatocytes that make up the tissue of the liverhepatocarcinogenic(pathology, oncology) Pertaining to, or causing hepatocarcinogenesishepatocytotoxicityQuality of being hepatocytotoxic.hepatoduodenostomyAlternative spelling of hepaticoduodenostomyhepatohistologicalRelating to hepatohistologyhepatonephromegaly(medicine, pathology) A pathological enlargement of the liver and kidneys.hepatopancreatitis(pathology) inflammation of the hepatopancreashepatopathogenesisThe pathogenesis of liver diseasehepatopathologicalRelating to hepatopathology.hepatoregenerativeThat which regenerates damaged liver tissue.hepatosplenography(medicine) The use of a contrast medium to outline or depict radiographically the liver and spleen.hepatosplenomagalyMisspelling of hepatosplenomegaly.hepatosplenomegaly(medicine, pathology) Enlargement of both the liver and spleen.hepatovenocclusive(medicine) Relating to obstruction of the small veins of the liver.heptadecaglycoside(organic chemistry, biochemistry) A glycoside containing seventeen sugar moietiesheptadecatrienoate(organic chemistry) Any salt or ester of heptadecatrienoic acidheptafluoroniobate(inorganic chemistry) The anion NbF₇²⁻ or any salt containing this anionheptakaidecahedronSynonym of heptadecahedron.heptaoxodisilicate(inorganic chemistry) Synonym of pyrosilicate.heptapseudopeptide(biochemistry) A pseudopeptide composed of seven unitsheptatriacontanoicOf or pertaining to heptatriacontanoic acid or its derivativesheredodegenerative(pathology) Both hereditary and degenerative.hermaphroditicallyIn a hermaphroditic manner.herpesencephalitis(medicine) Herpes simplex encephalitis.heteroadministeredadministered by a clinician on behalf of a patientheteroantagonisticRelating to, or exhibiting heteroantagonismheteroarthrocarpic(botany, of a fruit) Laterally divided into two different segmentsheteroarylboronate(organic chemistry) heteroaryl boronateheterobifunctional(chemistry, especially of a ligand) Having two different functional groups or binding sitesheterochromatinizeTo undergo heterochromatinizationheterocomplexation(chemistry) The formation of a heterocomplexheterocoordination(chemistry) coordination between different metal atomsheterodifunctional(chemistry) Alternative form of heterobifunctional.heterodimerisationAlternative form of heterodimerization.heterodimerizationThe formation of a heterodimer.heterodinucleotideA dinucleotide composed of two different nucleotidesheterodisaccharide(organic chemistry) Any disaccharide composed of two different monosaccharidesheterofermentationFermentation that produces two or more different products (typically, alcohol and lactic acid).heterofermentative(biology, of a microorganism) That undergoes fermentation to produce more than one product, e.g. both alcohol and lactic acid.heterogalacturonanA heteroglycan derived from galacturonic acidheteropolymetalate(inorganic chemistry) A chemical compound composed of one metal, oxide, and one or more main group oxyanions.heteroscedasticity(statistics) The property of a series of random variables in having differing variances of residuals, instead of a uniform variance.heteroskedasticityAlternative spelling of heteroscedasticity.heterospecificallyBy means of a heterospecificheterosyllabicallyIn different syllables.heterosynapticallyIn a heterosynaptic mannerheterotransmissiontransmission (of a virus etc) between speciesheterotransplantedsimple past and past participle of heterotransplanthexaacetylmannitol(organic chemistry) mannitol hexaacetatehexachlorobiphenyl(organic chemistry) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atomshexachlorothallate(inorganic chemistry) A salt or anion containing thallium bound to six chlorine atoms. (TlCl₆³⁻)hexacyanomanganate(inorganic chemistry) The anion Mn(CN)₆³⁻; any salt containing this anionhexacyanonickelate(inorganic chemistry) A chemical compound containing an anion composed of nickel and six cyanide ligands. [Ni(CN)₆]⁴⁻hexadecaflagellateAn organism that has sixteen flagellahexadecyloxymethyl(organic chemistry) An alkoxymethyl radical in which R is a hexadecyl grouphexadeuterobenzene(organic chemistry) An isotopically labelled form of benzene in which every hydrogen atom has been replaced by deuteriumhexafluorodisilane(inorganic cheemistry) A chemical compound, which is disilane with all six hydrogen atoms substituted with fluorine, formula Si₂F₆.hexafluorosilicate(inorganic chemistry) The anion SiF₆²⁻ derived from hexafluorosilicic acid; any salt containing this anionhexafluorotitanate(inorganic chemistry) The anion TiF₆²⁻; any salt containing this anionhexakistetrahedronA polyhedron with 24 faces.hexamethyldisilane(organic chemistry) The silane Si₂(CH₃)₆. It is a colourless liquid, soluble in organic solventshexamethylmelamineSynonym of altretamine.hexaminolevulinate(organic chemistry) A hexyl ester of 5-aminolevulinic acid, used as an imaging agent in the cystoscopic detection of bladder cancer.hexaphosphorylated(biochemistry) phosphorylated with six units of phosphoric acidhexatetracontanoicOf or pertaining to hexatetracontanoic acid or its derivativeshexosyltransferase(biochemistry) Any glycosyltransferase that catalyzes the transfer of a hexosehidradenocarcinomaA cutaneous condition that may develop de novo or in association with an existent hidradenoma.hippocampectomizedsimple past and past participle of hippocampectomizehippocampocortical(anatomy) Relating to, or connecting, the hippocampus and the cortex.hispanomedievalistRelating to the study of medieval Spain.histioneutrophilichistiocytic and neutrophilichistoarchitectural(biology) Relating to histoarchitecturehistocompatabilityMisspelling of histocompatibility.histocompatibilityThe condition of being histocompatible.histocytochemistry(biochemistry) A combination of histochemistry and cytochemistryhistocytologicallyIn a histocytological mannerhistocytopathologySynonym of cytohistopathology.histoenzymologicalRelating to histoenzymologyhistoimmunologicalhistological and immunologicalhistomorphologicalOf or pertaining to histomorphology.histomorphometricsSynonym of histomorphometry.histomorphometristA person whose speciality is histomorphometryhistophysiologicalRelating to histophysiology.historicopoliticalRelating to history and politics.historicopropheticRelating to history and prophecy.historicoreligiousRelating to history and religion.historiometricallyIn a historiometric mannerhistoriosophicallyIn terms of historiosophy.histotechnologicalRelated to histotechnologyhobbledehoyishnessThe quality of being hobbledehoyish.holocinematographyThe making of films using holograms.holoprosencephalicRelating to or exhibiting holoprosencephaly.homobasidiomycetesplural of homobasidiomycetehomochlorcyclizine(pharmacology) A histamine 1 receptor antagonist.homocysteinylation(biochemistry) The process, or the result of homocysteinylatinghomofunctionalizedfunctionalized by the addition of the same type of functional group throughout.homopiperonylamine(organic chemistry) 3,4-methylenedioxyphenethylamine, a substituted phenethylamine formed by adding a methylenedioxy group to phenethylamine.homopolymerisationAlternative form of homopolymerization.homopolymerizationThe polymerization of a single type of monomer to form a homopolymerhomopolynucleotide(genetics) A polynucleotide composed of multiple copies of the same nucleotidehomopolysaccharide(chemistry) a polysaccharide formed from only one kind of monosaccharidehomoselenocysteine(biochemistry) The amino acid HSeCH₂CH₂CH(NH₂)COOHhortisilviculturalRelating to hortisilviculture.hybridogeneticallyBy means of hybridogenesis.hydroastrophyllite(mineralogy) A triclinic-pinacoidal dark brown mineral containing aluminum, calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, and titanium.hydrocarbonizationcarbonization in the presence of waterhydrocarbonylationThe addition of carbon monoxide and hydrogen to unsaturated hydrocarbons.hydrocarboxylation(organic chemistry) The addition reaction of carbon monoxide and either water or an alcohol to the double bond of an olefin to produce a carboxylic acid or ester respectivelyhydroclimatologistOne who studies hydroclimatology.hydrodecyclization(organic chemistry) Any decyclization reaction involving the addition of hydrogenhydrodeoxygenation(chemistry) A chemical engineering process in which hydrotreating is used to reduce the oxygen content of hydrocarbons (present as alcohols, aldehydes etc) during oil refining.hydroencephaloceleAlternative form of hydrencephalocele.hydroenvironmentalRelating to a hydroenvironment, a marine environment.hydroflumethiazideA diuretic drug.hydrofluorocarbonsplural of hydrofluorocarbonhydrogenolyticallyBy means of hydrogenolysishydrogeochemicallyIn terms of hydrogeochemistry.hydrogeomorphologyThe study of landforms created or modified by waterhydrogravitational(physics, astronomy) Describing the interaction of gravity and the movement of fluids (such as astronomical plasmas)hydroisomerization(organic chemistry) The isomerization of alkane hydrocarbons via an intermediate alkene; used especially in oil refininghydrolipophobicityThe condition of being hydrolipophobichydrometallurgicalOf or pertaining to hydrometallurgyhydrometeorologistOne who studies hydrometeorology.hydromorphological(geology) Relating to hydromorphologyhydrophenoxylation(organic chemistry) Any reaction that adds a phenol across a double bond or triple bond, a hydrogen atom to one side and a phenoxide group to the otherhydrophosphination(organic chemistry) Any addition reaction in which the elements of phosphine are added across a double bondhydropletismometerMisspelling of hydroplethysmometer.hydrostratigraphicOf or pertaining to the arrangement of hydrostratigraphyhydroxyamphetamineAlternative form of hydroxyamfetamine.hydroxychloroquine(pharmacology) A drug derived from quinolone that is taken orally in the form of its sulfate C₁₈H₂₆ClN₃O·H₂SO₄ to treat malaria, rheumatoid arthritis, and lupus erythematosus.hydroxycholesterol(biochemistry) Any of several hydroxy derivatives of cholesterol, some of which are metabolic intermediateshydroxycitronellal(organic chemistry) 7-hydroxy-3,7-dimethyloctanal, an odorant used in perfumery.hydroxycyclization(organic chemistry) A reaction in which the addition of a hydroxy group to one carbon atom of a double or triple bond is accompanied by cyclizationhydroxyhalolactone(organic chemistry) Any hydroxy derivative of a halolactonehydroxyiodolactone(organic chemistry) Any hydroxy derivative of an iodolactonehydroxymaprotilineoxaprotilinehydroxymethylation(organic chemistry) The introduction of one or more hydroxymethyl groups into a moleculehydroxynaphthalene(organic chemistry) Synonym of naphthol.hydroxyphosphonate(organic chemistry) Any hydroxy derivative of a phosphonate, especially an α-hydroxyphosphonate such as metrifonatehydroxysuccinimide(organic chemistry) The N-hydroxy derivative of succinimide; it is used in organic synthesishydroxywithanolideA hydroxy derivative of withanolide.hymenopterologicalOf or relating to hymenopterology.hyperaccommodationExcessive accommodation of the eye.hyperaccommodativeRelating to hyperaccommodation.hyperacidificationExcessive acidificationhyperaggregabilityQuality of being hyperaggregable.hyperaldosteronism(medicine) A condition in which too much aldosterone is produced by the adrenal glands, potentially leading to lowered levels of potassium in the blood.hyperalimentationsplural of hyperalimentationhyperallergenicity(medicine) A high degree of allergenicity.hyperaminoacidemia(medicine) The presence of an excessive amount of amino acids in the blood.hyperaminoaciduriaThe presence of excessive amino acids in the urine.hyperandrogenaemiaAlternative form of hyperandrogenemia.hyperandrogenaemicAlternative form of hyperandrogenemic.hyperandrogenicityThe condition of being hyperandrogenichyperbilirubinemia(pathology) An unusually large concentration of bilirubin in the blood.hyperbilirubinemicHaving or relating to hyperbilirubinemia.hyperbrachycephalyExtreme brachycephalyhyperbrachycranialHaving a very round or broad skullhypercalcificationExcessive calcification, typically, of a tooth.hypercarbonylation(biochemistry) Extreme carbonylation, typically of proteinshypercholesteremiaAlternative spelling of hypercholesteraemia.hypercholesteremicExhibiting or relating to hypercholesteremia.hypercitrullinemia(pathology) An excess of citrulline in the blood.hypercoagulabilitycoagulation of blood faster than normal; especially an abnormally increased coagulabilityhypercommercialismThe excessive use of mercantilism in media to obtain success and profit; Extreme emphasis on commerce.hyperconcentrationExtreme concentration; a very large amount of concentration.hyperconnectednessThe quality of being hyperconnected.hyperconscientiousExtremely conscientious.hyperconsciousnessExtreme consciousness of something; often, excessively extreme.hypercontractilitythe condition of being hypercontractilehypercontractivity(physics) Excessive contractivity of the higher frequencies in a Fourier spectrum.hypercornification(pathology) Excessive cornificationhypercorticoidemia(pathology) An excess of corticoid enzymes in the bloodstream; hypercorticoidismhypercreatininemia(pathology) An excess of creatinine in the bloodhyperdiscriminableVery discriminable (very easy to discriminate)hyperdopaminergism(medicine) The state of being hyperdopaminergic, i.e. having a high level of the neurotransmitter dopamine.hyperdorsalizationExcessive dorsalizationhyperesponsivenessAlternative spelling of hyperresponsiveness.hyperextensibilityThe quality of being hyperextensible.hyperferritinaemiaAlternative form of hyperferritinemia.hyperferroelectric(physics) A ferroelectric (material) that has a spontaneous polarizationhyperfilamentationExcessive filamentationhyperfractionation(radiotherapy) An especially highly divided form of fractionation: the division of a total dose of radiation into many small fractions.hyperfragmentationExcessive fragmentationhyperfunctionalityThe condition of being hyperfunctionalhypergeometricallyIn terms of hypergeometry.hyperglobulinaemiaAlternative form of hyperglobulinemia.hyperglobulinaemicAlternative form of hyperglobulinemic.hyperglucagonaemiaAlternative form of hyperglucagonemia.hyperglutamatergia(pathology) Excessive excitation of the nervous system by glutamatehyperglutamatergic(biochemistry, neurology) Excessively glutamatergichyperglutamylationExcessive glutamylationhyperglyceridaemiaAlternative form of hyperglyceridemia.hyperglycorrhachiaThe presence of excessive glucose in the cerebrospinal fluid.hyperglycosylatingProducing hyperglycosylationhyperglycosylation(biochemistry) Excessive glycosylationhypergonadotropism(pathology) An elevated concentration of gonadotropins in the bloodstreamhypergravitationalRelating to hypergravity.hyperguanidinaemiaAlternative form of hyperguanidinemia.hyperindividualism(sociology) A tendency for people to act in a highly individual way, without regard to society.hyperinterpolation(mathematics) interpolation on a surface of more than two dimensionshyperlymphocytosis(pathology) An excessive quantity of lymphocytes in the blood.hypermannosylationExcessive mannosylationhypermaterialisticExtremely materialistic.hypermelatoninemiaThe presence of excess melatonin in the blood.hypermetamorphosis(biology) A kind of complete metamorphosis in which the different larval instars represent two or more different forms of larva.hypermetamorphoticRelating to hypermetamorphosis.hypermethioninemiaAn excess of methionine in the blood.hypermetropizationblurred vision due to hypermetropiahypermucoviscosityExcessive mucoviscosityhypermyoglobinemiaPresence of excessive myoglobin in the blood, as occurs in rhabdomyolysis or various other conditions.hypernationalisticOf or relating to hypernationalism; extremely nationalistic.hypernitrosylation(biochemistry) Excessive nitrosylation (typically of protein)hyperornithinaemiaAlternative form of hyperornithinemia.hyperosmoregulatorA regulator of hyperosmoregulationhyperparakeratosis(pathology) Excessive parakeratosishyperparakeratoticRelating to hyperparakeratosishyperparasiticallyIn a hyperparasitic mannerhyperpermeabilizedMore than usually permeabilizedhyperphosphataemiaAlternative form of hyperphosphatemia.hyperphosphataemicRelating to, or exhibiting, hyperphosphataemia.hyperphosphorylateTo phosphorylate fullyhyperphysiological(physiology) Greater than the normal physiological amount or levelhyperpipecolatemiahyperpipecolic acidemia; a very rare autosomal-recessive metabolic disorder characterized by an increase in pipecolic acid levels in the blood, leading to neuropathy and hepatomegaly.hyperpolarizationsplural of hyperpolarizationhyperprolactenemiaMisspelling of hyperprolactinemia.hyperprolactinemia(pathology) The condition of having abnormally high levels of prolactin in the blood.hyperprolactinemicExhibiting or relating to hyperprolactinemia.hyperproliferatingSubject to hyperproliferationhyperproliferation(biology) An abnormally high rate of proliferation of cells by rapid division; substantial overproliferation.hyperproliferativeOf, pertaining to, or causing hyperproliferationhyperrecombination(immunology) An extreme level of recombinationhypersarcosinaemiaAlternative form of hypersarcosinemia.hypersensitisationAlternative form of hypersensitization.hypersensitivenessThe state of being hypersensitive.hypersensitivitiesplural of hypersensitivityhypersensitizationThe process of making something hypersensitive.hypersexualisationAlternative spelling of hypersexualization.hypersexualizationThe act or process of hypersexualizing.hypersomatotropism(pathology) The presence of an elevated level of somatotropin in the bodyhypersophisticatedExtremely sophisticated.hyperstabilisationAlternative form of hyperstabilization.hyperstabilizationMuch greater than normal stabilizationhypersuccinylation(biochemistry) Excessive succinylationhypertechnologicalExtremely technologicalhypertheatricalityThe quality of being hypertheatrical.hyperthrombinaemiaAlternative form of hyperthrombinemia.hyperthyroxinaemiaAlternative form of hyperthyroxinemia.hyperthyroxinaemicAlternative form of hyperthyroxinemic.hypertrabeculation(physiology) Excessive trabeculationhypertranscendence(mathematics) The condition of being hypertranscendentalhypertranscription(genetics) Excessive transcriptionhypertranslocation(genetics) translocation by means of RNA polymerasehypertranspirationExcessive sweatinghypertriglyceremia(pathology) Alternative form of hypertriglyceridemia.hyperubiquitylatedExcessively ubiquitylated; affected by hyperubiquitylationhypervulnerabilityA high (or excessive) level of vulnerabilityhypidiomorphicallyIn a hypidiomorphic manner.hypoallometricallyIn a hypoallometric mannerhypobicarbonatemia(pathology) A reduced level of bicarbonate in the bloodhypocholesteraemiaAlternative form of hypocholesteremia.hypochondrogenesisA form of achondrogenesishypochondroplasticRelating to hypochondroplasiahypocomplementemiaDecreased levels of complement system proteinshypocomplementemicRelating to hypocomplementemiahypoelectrolytemia(pathology) The presence of an unusually low amount of an electrolyte in the bloodhypofibrinogenemiaA condition characterized by an acute hemorrhagic state brought about by inability of the blood to clot, with massive hemorrhages into the skin producing blackish, purplish swellings and sloughing.hypofibrinogenemicRelating to, or exhibiting, hypofibrinogenemia.hypogalactosylatedInsufficiently galactosylatedhypogranulocytosisA disorder characterised by a deficiency of granulocytes.hypohemoglobinemia(medicine) Low hemoglobin level in the blood; anemia.hypoidentification(psychology, rare) An insufficient identification with somebody else.hypoimmunogenicity(immunology) The condition of being hypoimmunogenichypomineralisationAlternative form of hypomineralization.hypomineralizationInsufficient mineralizationhypomyelinogenesisThe formation of insufficient myelinhypooestrogenaemiaAlternative spelling of hypoestrogenemia.hypoosmoregulationA reduced amount of osmoregulationhypoosmoregulatoryRelating to hypoosmoregulationhypopalmitoylation(biochemistry) Less than the normal amount of palmitoylationhypoparathyroidism(pathology) deficiency of parathyroid hormone.hypophosphatasemiaAn abnormally low level of phosphatase in the blood.hypophosphorylated(biochemistry) phosphorylated to a less than normal extent, or less than fullyhypopneumatizationA reduced level of pneumatization, typically of the sinuseshypopolymerizationLess than the usual extent of polymerization.hyporesponsivenessAn abnormally low degree of responsivenesshyposensitizationsplural of hyposensitizationhypostoichiometric(chemistry) Containing less than the stoichiometric amount of an atom or grouphypothrombocytemiaAn abnormally low platelet count in the blood.hypoubiquitinationA reduced level of ubiquitinationhysteroadnexectomySynonym of hysteroannessiectomy.hysterographicallyBy means of, or in terms of, hysterography.hysterosonographicRelating to hysterosonography.
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