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List of 15-letter words containing

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There are 12 fifteen-letter words containing A, C, H, T 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.
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.
HYDROEXTRACTORShydroextractors n. Plural of hydroextractor.
HYDROEXTRACTOR n. a drying machine that works centrifugally.
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.
XYLOTYPOGRAPHICxylotypographic adj. Of or pertaining to xylotypography.
XYLOTYPOGRAPHIC adj. relating to, or printed from, wooden type.

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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