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 There are 6 fifteen-letter words containing A, H, I, O, 2T and X| CHEMOTAXONOMIST | • chemotaxonomist n. One who studies chemotaxonomy. • CHEMOTAXONOMIST n. one who practises chemotaxonomy.
 |  | HETEROSEXUALITY | • heterosexuality n. The state of being sexually and romantically attracted primarily or exclusively to persons of the opposite sex. • heterosexuality n. Sexual activity with a person of the opposite sex.
 • HETEROSEXUALITY n. the state of being heterosexual.
 |  | HYDROXYAPATITES | • hydroxyapatites n. Plural of hydroxyapatite. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
 |  | HYDROXYLAPATITE | • hydroxylapatite n. Alternative spelling of hydroxyapatite. • HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone.
 |  | PHOTOEXCITATION | • photoexcitation n. (Chemistry) The formation of an excited state by the absorption of a photon. • PHOTOEXCITATION n. the process of exciting the atoms or molecules of a substance by the absorption of radiant energy.
 |  | PHOTOOXIDATIONS | • photooxidations n. Plural of photooxidation. • PHOTOOXIDATION n. oxidation under the influence of radiant energy, as light.
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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 WikWik.org and 1Word.ws.
 
 See this list for:English Wiktionary: 71 wordsScrabble in French: 2 wordsScrabble in Spanish: no wordScrabble in Italian: 1 wordScrabble in German: no wordScrabble in Romanian: 4 words
 
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