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21 Letter Words Starting With A

Explore 59 English words that start with A and contain exactly 21 letters. Common examples include adenohypophysiotropic, adrenoleukodystrophic, aerothermodynamically, allotetraploidisation, anarcholibertarianism.

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21-Letter A Words by Ending Letter

All 59 21-Letter Words Starting With A

abetalipoproteinaemiaAlternative spelling of abetalipoproteinemia.acetylcholinesterasesplural of acetylcholinesteraseacetylgalactosaminide(biochemistry) Any galactosaminyl derivative of a glycoprotein, especially one involved in glycan biosynthesisacetylglucosaminidase(biochemistry) Any enzyme that catalyzes the hydrolysis of terminal 2-acetamido-2-deoxy-beta-glucose residues in chitobiose and in glycoproteinsacetyloxytheophyllineThe drug acefylline.acrocephalosyndactylyAlternative form of acrocephalosyndactylia.adenohypophysiotropicThat stimulates the adenohypophysis.adenosinetriphosphateAlternative form of adenosine triphosphate.adenylpyrophosphataseSynonym of ATPase.adrenocorticosteroidsplural of adrenocorticosteroidadrenoleukodystrophicOf or relating to adrenoleukodystrophy.adrenomyeloneuropathyA progressive, X-linked, genetic, neurological disorder that deteriorates the myelin sheath that protects the spinal cord.aerothermodynamicallyIn an aerothermodynamic manner.aetiopathogeneticallyAlternative spelling of etiopathogenetically.agrihortisilvicultureagriculture, horticulture, and silvicultureagroindustrializationIndustrialized production of livestock, poultry, fish and crops.alkenoyloxazolidinone(organic chemistry) Any alkenoyl oxazolidinonealkylbenzenesulfonateAn alkyl derivation of benzenesulfonate.alkyldihydroxyacetone(organic chemistry, biochemistry) Any alkyl derivative of dihydroxyacetone, especially one that is part of the biosynthesis of plasmalogensallotetraploidisationAlternative form of allotetraploidization.allotetraploidization(genetics) allogeneic tetraploidization; modification to become allotetraploidalphamethyltryptamineA synthetic tryptamine drug that can act as a psychedelic hallucinogen, as a monoamine oxidase inhibitor, and as a stimulant.alumopharmacosiderite(mineralogy) An isometric-hextetrahedral white mineral containing aluminum, arsenic, hydrogen, oxygen, and potassium.anarcholibertarianismAlternative form of anarcho-libertarianism.anatomicopathologicalRelating to anatomy and pathology.anatomopathologicallyIn an anatomopathological mannerangioendotheliomatousRelated to an angioendothelioma.angiotomodensitometrytomodensitometry of the blood vesselsanteroventrolaterallyIn an anteroventrolateral manner or directionanthracenecarboxylate(organic chemistry) Any of the three isomeric carboxylate anions derived from an anthracenecarboxylic acid; and salt or ester containing this groupanthranoyllycoctonine(organic chemistry) A diterpene alkaloid found in the Delphinium genus.anthropomorphological(biology) Relating to anthropomorphology (human morphology).anticommercializationOpposing commercialization.anticonstitutionalistOne who opposes a constitution; an opponent of constitutionalism.anticonstitutionality(law) The status of being against the constitutionantideconstructionistOne who rejects the theory of deconstructionism.antiferroelectricallyIn an antiferroelectric mannerantiferromagnetically(physics) In an antiferromagnetic mannerantimetalloproteinase(biochemistry) That counters the action of a metalloproteinaseantimineralocorticoidA diuretic drug that antagonizes the action of aldosterone at mineralocorticoid receptors, typically used to manage chronic heart failure.antineurodegenerativeThat counters neurodegenerationantineuroinflammatory(pathology) That counters inflammation of the central nervous systemantipsychotherapeuticOpposing psychotherapy.antiribonucleoprotein(immunology) An autoantibody associated with mixed connective tissue disease.antitranscendentalism(philosophy) A position that opposes transcendentalism.arabinosyltransferase(biochemistry) A transferase enzyme acting upon arabinose, involved in polymerisation of arabinogalactan.archaeopterodactyloidAny pterosaur of the infraorder ArchaeopterodactyloideaarchaeothanatologicalRelating to archaeothanatologyarginylaminopeptidaseAlternative form of arginyl aminopeptidase.arylsulphotransferaseAlternative form of arylsulfotransferase.asialogalactosylation(organic chemistry) glycosylation involving a asialogalactose moietyasteroseismologicallyWith regard to asteroseismologyatherothromboembolism(pathology) An atherothrombotic embolismatherothrombogenicity(medicine) The quality or degree of being atherothrombogenic; the ability to cause atherothrombosis.autodephosphorylation(biochemistry) The dephosphorylation of a protein catalyzed by its own enzymatic activityautohistoradiographicRelating to autohistoradiography.autophosphorylationalRelating to autophosphorylationautoradioluminographyA passive form of radioluminographyautotetraploidization(genetics) The process, or the result of becoming autotetraploid

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