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 There are 6 thirteen-letter words containing 2A, C, 2H, T and X| CANTHAXANTHIN | • canthaxanthin n. (Organic chemistry) A xanthophyll pigment found in many plants and animals. • CANTHAXANTHIN n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHINE.
 |  | CEPHALOTHORAX | • cephalothorax n. The fused head and thorax of spiders and crustaceans. • CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc.
 |  | TACHYPHYLAXES | • tachyphylaxes n. Plural of tachyphylaxis. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
 |  | TACHYPHYLAXIS | • tachyphylaxis n. (Medicine) A rapidly decreasing response to a drug following administration of the initial doses. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
 |  | XANTHOCHROIAS | • XANTHOCHROIA n. yellowness of the skin. |  | XANTHOCHROMIA | • xanthochromia n. (Medicine) The yellowish appearance of cerebrospinal fluid that accompanies certain conditions, especially… • XANTHOCHROMIA n. any yellowish discoloration, esp. of the cerebrospinal fluid.
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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: 10 wordsScrabble in French: 2 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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