List of 13-letter words containing •••••

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There are 8 thirteen-letter words containing H, N, O, R, X and Y

HYDROXYLAMINE	• hydroxylamine 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.
HYDROXYLATING	• hydroxylating v. Present participle of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into.
HYDROXYLATION	• hydroxylation n. (Organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement… • HYDROXYLATION n. the act of hydroxylating.
HYPOPHARYNXES	• hypopharynxes n. Plural of hypopharynx. • HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue.
NASOPHARYNXES	• nasopharynxes n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages.
ORTHOPYROXENE	• orthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals. • ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
OXYRHYNCHUSES	• OXYRHYNCHUS n. an Egyptian fish, sacred to the goddess Hathor, represented on coins and sculptures.
PROPOXYPHENES	• propoxyphenes n. Plural of propoxyphene. • PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.

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 WikWik.org and 1Word.ws.

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English Wiktionary: 67 words
Scrabble in French: 6 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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