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21 Letter Words Starting With I

Explore 46 English words that start with I and contain exactly 21 letters. Common examples include intraerythrocytically, ichthyoallyeinotoxism, ichthyoarchaeological, ichthyogeographically, ichthyoplanktological.

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21-Letter I Words by Ending Letter

All 46 21-Letter Words Starting With I

ichthyoallyeinotoxismA hallucinatory condition caused by eating certain species of fish.ichthyoarchaeologicalRelating to ichthyoarchaeologyichthyogeographicallyIn an ichthyogeographic mannerichthyoplanktologicalRelating to ichthyoplanktologyicosihemidodecahedron(geometry) Either of two polyhedra, the small icosihemidodecahedron and the great icosihemidodecahedron.imidazobenzodiazepine(organic chemistry) A polycyclic heterocycle whose structure is that of imidazol fused with benzodiazepineimidazolonepropionase(biochemistry) A hydrolase enzyme that catalyzes the chemical reaction (S)-3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate + H₂O ⇌ N-formimidoyl-L-glutamate + H⁺.imidazolonepropionate(chemistry) A salt or ester of imidazolonepropionic acid.immunochromatographicOf or pertaining to immunochromatographyimmunochromatologicalimmunological and chromatologicalimmunocytofluorescentRelating to immunocytofluorescenceimmunocytofluorimetryAlternative form of immunocytofluorometry.immunocytofluorometry(immunology) immunological cytofluorometryimmunoelectrophoresisA technique, using a combination of protein electrophoresis and an antigen-antibody interaction, to separate mixtures of proteins and identify them.immunoelectrophoreticRelating to immunoelectrophoresis.immunoelectrotransferThe use of electroporation in immunologyimmunoepidemiological(immunology) Relating to immunoepidemiologyimmunohistochemicallyBy means of or in regard to immunohistochemistryimmunohistomorphology(immunology) The application of immunology to histomorphologyimmunohistopathologicSynonym of immunohistopathological.immunopathophysiology(immunology, pathology, physiology) immunological pathophysiologyimmunopharmacologicalRelating to immunopharmacology.immunophotosensitizerA photosensitizing antibodyimmunophysiopathology(immunology, pathology) The physiopathology of the immune systemimmunotherapeutically(immunology, medicine) In an immunotherapeutic mannerincomprehensibilitiesplural of incomprehensibilityindistinguishablenessSynonym of indistinguishability (“the state or quality of being indistinguishable”).infraprezygapophyseal(anatomy) Below and in front of a zygapophysisinositolphosphoglycan(organic chemistry) A phosphoglycan derived from a phosphatidylinositolinstitutionalizationsplural of institutionalizationintellectualisticallyIn terms of intellectualism.interdenominationallyIn an interdenominational manner.interjurisdictionally(law) in an interjurisdictional manner.interoligodendrocyticBetween oligodendrocytesinterorganisationallyAlternative form of interorganizationally.interorganizationallyBetween organizations.interprezygapophysealBetween prezygapophysesintersubstitutabilityThe quality of being intersubstitutable.intertransformabilityThe ability to transform into each other.interventionisticallyIn an interventionistic wayintradenominationallyIn an intradenominational manner.intraerythrocyticallyWithin an erythrocyte.intraprezygapophysealWithin a prezygapophysisisonitrosoacetanilide(chemistry) An oxime of acetanilide.isopropylthioxanthone(organic chemistry) Any isopropyl derivative of a thioxanthone.isostoichiometrically(chemistry) In an isostoichiometric manner

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