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List of 12-letter words containing

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There are 19 twelve-letter words containing A, H, O, T, X and Y

ASPHYXIATIONasphyxiation n. Death due to lack of oxygen.
asphyxiation n. An acute lack of oxygen.
ASPHYXIATION n. the act of asphyxiation.
ASPHYXIATORSasphyxiators n. Plural of asphyxiator.
ASPHYXIATOR n. one of who asphyxiates.
ETHOXYETHANEethoxyethane n. (Organic chemistry, systematic name) diethyl ether.
ETHOXYETHANE n. a type of ether, aka diethyl ether, an isomer of butanol.
EXHILARATORYexhilaratory adj. Causing exhilaration.
EXHILARATORY adj. serving to exhilarate.
EXOTHERMALLYexothermally adv. In an exothermal manner.
EXOTHERMAL adv. of a chemical reaction, giving out heat, also EXOTHERMIC.
HAEMATOXYLICHAEMATOXYLIC adj. of or like haematoxylin.
HAEMATOXYLINhaematoxylin n. (British spelling) Alternative spelling of hematoxylin.
hæmatoxylin n. Archaic form of haematoxylin..
HAEMATOXYLIN n. a dye obtained from logwood, also HEMATOXYLIN.
HAEMATOXYLONHAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HEMATOXYLINShematoxylins n. Plural of hematoxylin.
HEMATOXYLIN n. a dye obtained from logwood, also HAEMATOXYLIN.
HOMOTAXIALLYHOMOTAXIAL adv. showing homotaxis, also HOMOTAXIC.
HYDROXYLATEDhydroxylated v. Simple past tense and past participle of hydroxylate.
hydroxylated adj. (Organic chemistry) That has been modified by hydroxylation.
HYDROXYLATE v. to introduce hydroxyl into.
HYDROXYLATEShydroxylates v. Third-person singular simple present indicative form of hydroxylate.
HYDROXYLATE v. to introduce hydroxyl into.
HYPOXANTHINEhypoxanthine n. (Organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis…
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
MORPHOSYNTAXmorphosyntax n. (Linguistics) Morphology and syntax regarded as an interlinked unit.
morpho-syntax n. (Linguistics) The system of the internal structure of words (morphology) and the way in which words…
morpho-syntax n. (Linguistics, formal) Grammar.
PHYCOXANTHINphycoxanthin n. (Dated) A yellowish colouring matter found in certain algae.
PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
PHYLLOTAXIESphyllotaxies n. Plural of phyllotaxy.
PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS.
PHYTOALEXINSphytoalexins n. Plural of phytoalexin.
PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
XANTHOPHYLLSxanthophylls n. Plural of xanthophyll.
XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.
ZANTHOXYLUMSzanthoxylums n. Plural of zanthoxylum.
ZANTHOXYLUM n. a plant of a genus of the rue family found in Brazil, in particular the prickly-ash or Hercules club, also XANTHOXYL, ZANTHOXYL.

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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See this list for:

  • English Wiktionary: 85 words
  • Scrabble in French: 5 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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