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List of 13-letter words containing ••••••

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There are 5 thirteen-letter words containing E, H, N, P, R, T and X

HYPEREXTENDED• hyperextended adj. Extremely long; extended greatly.
• hyperextended v. Simple past tense and past participle of hyperextend.
• HYPEREXTEND v. to extend so that the angle between bones of a joint is greater than normal.
ORTHOPYROXENE• orthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
• ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
XANTHOPTERINE• xanthopterine n. Alternative form of xanthopterin.
• XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN.
XANTHOPTERINS• xanthopterins n. Plural of xanthopterin.
• XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE.
XIPHISTERNUMS• xiphisternums n. Plural of xiphisternum.
• XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum.

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: 28 words
  • Scrabble in French: 4 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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