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 There are 15 twelve-letter words containing A, E, H, O, R, S, T and X| AUXOTROPHIES | • auxotrophies n. Plural of auxotrophy. • AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism.
 |  | AXEROPHTHOLS | • AXEROPHTHOL n. vitamin A, a pale yellow crystalline substance, deficiency of which causes xerophthalmia. |  | CHATTERBOXES | • chatterboxes n. Plural of chatterbox. • CHATTERBOX n. a talkative person.
 |  | EXHILARATORS | • exhilarators n. Plural of exhilarator. • EXHILARATOR n. one who exhilarates.
 |  | EXHORTATIONS | • exhortations n. Plural of exhortation. • EXHORTATION n. an act or instance of exhorting.
 |  | HETEROAUXINS | • heteroauxins n. Plural of heteroauxin. • HETEROAUXIN n. a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting.
 |  | HETEROSEXUAL | • heterosexual adj. Sexually attracted to members of the opposite sex. • heterosexual n. A heterosexual person, or other heterosexual organism.
 • HETEROSEXUAL adj. attracted to the opposite sex.
 |  | HETEROTAXIAS | • HETEROTAXIA n. the abnormal disposition of organs or parts, also HETEROTAXY. |  | HETEROTAXIES | • HETEROTAXY n. the abnormal disposition of organs or parts, also HETEROTAXIA. |  | HYDROXYLATES | • hydroxylates v. Third-person singular simple present indicative form of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into.
 |  | MESOTHORAXES | • mesothoraxes n. Plural of mesothorax. • MESOTHORAX n. the middle segment of the thorax in insects.
 |  | METATHORAXES | • metathoraxes n. Plural of metathorax. • METATHORAX n. the last or posterior segment of the thorax in insects.
 |  | ORTHOPRAXIES | • ORTHOPRAXY n. the treatment of deformities in the human body by mechanical appliances. |  | THROMBOXANES | • thromboxanes n. Plural of thromboxane. • THROMBOXANE n. any of several compounds formed from prostaglandin endoperoxides which, when released from blood platelets, induce platelet aggregation and arterial constriction.
 |  | TROPHALLAXES | • trophallaxes n. Plural of trophallaxis. • TROPHALLAXIS n. mutual exchange of nutriment in symbiosis.
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 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.
 
 See this list for:English Wiktionary: 36 wordsScrabble in French: 8 wordsScrabble in Spanish: 13 wordsScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: 4 words
 
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