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There are 12 thirteen-letter words containing H, I, P, X and Y| ASPHYXIATIONS | • asphyxiations n. Plural of asphyxiation. • ASPHYXIATION n. the act of asphyxiation. | | HYDROPEROXIDE | • hydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH. • HYDROPEROXIDE n. a compound containing an O2H group. | | HYPERPROSEXIA | • hyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing… • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers. | | HYPERPYREXIAL | • hyperpyrexial adj. Exhibiting or relating to hyperpyrexia. • HYPERPYREXIAL adj. showing hyperpyrexia, an extremely high fever. | | HYPERPYREXIAS | • hyperpyrexias n. Plural of hyperpyrexia. • HYPERPYREXIA n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERTHERMY. | | HYPOXANTHINES | • hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation. | | PHOTOTOXICITY | • phototoxicity n. Any adverse effect due to exposure to light, especially such effects on the skin. • PHOTOTOXICITY n. the state of being phototoxic. | | PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. | | PHYTOTOXICITY | • phytotoxicity n. (Uncountable) The condition of being phytotoxic. • phytotoxicity n. (Countable) A measure of the extent to which something is phytotoxic. • PHYTOTOXICITY n. the state of being phytotoxic. | | 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. | | XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. | | XYLOGRAPHICAL | • xylographical adj. Xylographic. • XYLOGRAPHICAL adj. relating to xylography, the art of making engravings on wood, also XYLOGRAPHIC. |
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.
See this list for:- English Wiktionary: 90 words
- Scrabble in French: 12 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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