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List of 12-letter words containing

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There are 9 twelve-letter words containing I, N, O, R, X and Y

CYCLODEXTRINcyclodextrin n. (Biochemistry) Any of a class of cyclic oligosaccharides consisting of glucopyranose residues linked…
CYCLODEXTRIN n. any of several water-soluble carbohydrates with hydrophobic interiors, used to provide capsules for drugs.
EXCLUSIONARYexclusionary adj. Acting to exclude something.
EXCLUSIONARY adj. relating to exclusion.
EXORBITANTLYexorbitantly adv. In an exorbitant manner, excessively.
EXORBITANT adv. going beyond the usual limits; (esp. of prices) excessive.
EXPANSIONARYexpansionary adj. That promotes or exhibits expansion; expansionist.
EXPANSIONARY adj. tending toward expansion.
EXTORTIONARYextortionary adj. Of, relating to, or typical of extortion; extortionate.
EXTORTIONARY adj. relating to extortion.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
HYDROXYZINEShydroxyzines n. Plural of hydroxyzine.
HYDROXYZINE n. a compound used as an antihistamine and tranquilizer.
PYRIDOXAMINEpyridoxamine n. (Biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.
XYLOGRAPHINGxylographing v. Present participle of xylograph.
XYLOGRAPH v. to copy by xylograph.

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: 90 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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