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List of 13-letter words containing

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There are 7 thirteen-letter words containing E, 2H, M, N, 2O and T

CHLOROMETHANEchloromethane n. (Organic chemistry) Any chlorinated derivative of methane, but especially CH3Cl (methyl chloride) once…
CHLOROMETHANE n. an organic compound, methyl chloride.
HELMINTHOLOGYhelminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms).
HELMINTHOLOGY n. the study of parasitic worms.
HONEYMONTHINGHONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON.
MONOPHOSPHATEmonophosphate n. (Chemistry) any compound containing a single phosphate unit.
MONOPHOSPHATE n. an ester of phosphoric acid.
PHOTOMACHINESPHOTOMACHINE n. a machine that prints copies of digital photographs.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
THERMOSIPHONSthermosiphons n. Plural of thermosiphon.
THERMOSIPHON n. a method of circulating a cooling liquid through a system by using the slight difference in density between the hot and cool parts.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 40 words
  • Scrabble in French: 3 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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