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List of 13-letter words containing

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There are 9 thirteen-letter words containing R, X and 2Y

HYDROXYACETICHYDROXYACETIC adj. as in hydroxyacetic acid, another name for glycolic acid.
HYDROXYCITRICHYDROXYCITRIC adj. as in hydroxycitric acid, an extract of the plant garcinia.
HYDROXYLAMINEhydroxylamine n. (Inorganic chemistry) An explosive inorganic derivative of ammonia, NH2OH, used as a reducing agent…
hydroxylamine n. (Organic chemistry) Any organic derivative of this compound.
HYDROXYLAMINE n. a colorless odorless nitrogenous base that resembles ammonia in its reactions.
HYDROXYLATINGhydroxylating v. Present participle of hydroxylate.
HYDROXYLATE v. to introduce hydroxyl into.
HYDROXYLATIONhydroxylation n. (Organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement…
HYDROXYLATION n. the act of hydroxylating.
HYPERPYREXIALhyperpyrexial adj. Exhibiting or relating to hyperpyrexia.
HYPERPYREXIAL adj. showing hyperpyrexia, an extremely high fever.
HYPERPYREXIAShyperpyrexias n. Plural of hyperpyrexia.
HYPERPYREXIA n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERTHERMY.
HYPOPHARYNXEShypopharynxes n. Plural of hypopharynx.
HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue.
OXYRHYNCHUSESOXYRHYNCHUS n. an Egyptian fish, sacred to the goddess Hathor, represented on coins and sculptures.

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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See this list for:

  • English Wiktionary: 71 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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