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List of 15-letter words containing

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There are 18 fifteen-letter words containing A, C, E, H and X

ARCHAEOPTERYXESarchaeopteryxes n. Plural of archaeopteryx.
ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
CANTHAXANTHINESCANTHAXANTHINE n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHIN.
CEPHALOTHORAXEScephalothoraxes n. Plural of cephalothorax.
CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc.
CHEMOTAXONOMIESchemotaxonomies n. Plural of chemotaxonomy.
CHEMOTAXONOMY n. the classification of plants and animals based on similarities and differences in biochemical composition.
CHEMOTAXONOMISTchemotaxonomist n. One who studies chemotaxonomy.
CHEMOTAXONOMIST n. one who practises chemotaxonomy.
CYCLOHEXYLAMINEcyclohexylamine n. (Organic chemistry) The primary amine derived from cyclohexane by replacing a hydrogen atom by an amino…
CYCLOHEXYLAMINE n. a colorless liquid amine that is used in organic synthesis and to prevent corrosion in boilers and that is believed to be harmful as a metabolic breakdown product of cyclamate.
EXCHANGEABILITYexchangeability n. The condition of being exchangeable.
EXCHANGEABILITY n. the state of being exchangeable.
HEXACHLORETHANEhexachlorethane n. Alternative form of hexachloroethane.
HEXACHLORETHANE n. a toxic crystalline compound used in smoke bombs.
HEXACHLOROPHANEHEXACHLOROPHANE n. a bactericide used in antiseptic soaps, deodorants etc., also HEXACHLOROPHENE.
HEXACHLOROPHENEhexachlorophene n. (Organic chemistry) A polyhalogenated compound, 2,2’-methylenebis(3,4,6-trichlorophenol)-3,4,6-trichloro-2-[(2,3,5-tric…
HEXACHLOROPHENE n. a bactericide used in antiseptic soaps, deodorants etc., also HEXACHLOROPHANE.
HIERACOSPHINXEShieracosphinxes n. Plural of hieracosphinx.
HIERACOSPHINX n. in ancient Egyptian art, a hawk-headed sphinx.
HYDROEXTRACTORShydroextractors n. Plural of hydroextractor.
HYDROEXTRACTOR n. a drying machine that works centrifugally.
LEXICOGRAPHICALlexicographical adj. Relating to lexicography.
lexicographical adj. Meeting lexicographical standards or requirements; worthy of being included in a dictionary.
LEXICOGRAPHICAL adj. relating to lexicography, also LEXICOGRAPHIC.
LEXICOGRAPHISTSlexicographists n. Plural of lexicographist.
LEXICOGRAPHIST n. one who makes dictionaries.
PHOTOEXCITATIONphotoexcitation n. (Chemistry) The formation of an excited state by the absorption of a photon.
PHOTOEXCITATION n. the process of exciting the atoms or molecules of a substance by the absorption of radiant energy.
PSYCHOSEXUALITYpsychosexuality n. The psychological aspects of sexuality.
PSYCHOSEXUALITY n. the psychic factors of sex.
XENOMORPHICALLYXENOMORPHIC adv. having a form not its own.
XEROGRAPHICALLYxerographically adv. In a xerographic way; by xerography.
XEROGRAPHIC adv. relating to xerography.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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