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List of 13-letter words containing

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There are 2 thirteen-letter words containing H, N, O, Q, R, T and U

ANTHRAQUINONEanthraquinone n. (Organic chemistry) A tricyclic quinone, derived from anthracene.
anthraquinone n. (Organic chemistry) Any derivative of this parent compound, mostly natural pigments or synthetic dyes.
ANTHRAQUINONE n. a chemical used in the manufacture of some dyes.
QUADRILLIONTHquadrillionth adj. The ordinal form of the number one quadrillion.
quadrillionth n. The person or thing in the quadrillionth position.
quadrillionth n. One of a quadrillion equal parts of a whole.

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: 15 words
  • Scrabble in French: 43 words
  • Scrabble in Spanish: 19 words
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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