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There are 11 fifteen-letter words containing E, 2H, M, N, 2O and T

DICHLOROMETHANEdichloromethane n. (Organic chemistry) The partially halogenated hydrocarbon CH2Cl2 widely used as a solvent.
DICHLOROMETHANE n. a noxious colourless liquid widely used as a solvent, e.g. in paint strippers.
HELMINTHOLOGIESHELMINTHOLOGY n. the study of parasitic worms.
HELMINTHOLOGISThelminthologist n. One versed in helminthology.
HELMINTHOLOGIST n. a specialist in helminthology.
HEMATOPORPHYRINhematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom).
HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
HETEROCHROMATINheterochromatin n. (Cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive.
HETEROCHROMATIN n. densely staining chromatin that appears as nodules in or along chromosomes and contains relatively few genes.
HETEROCHRONISMSheterochronisms n. Plural of heterochronism.
HETEROCHRONISM n. divergence from the normal time sequence in development, also HETEROCHRONY.
MONOPHTHONGISEDmonophthongised v. Simple past tense and past participle of monophthongise.
MONOPHTHONGISE v. to pronounce as a monophthong, also MONOPHTHONGIZE.
MONOPHTHONGISESmonophthongises v. Third-person singular simple present indicative form of monophthongise.
MONOPHTHONGISE v. to pronounce as a monophthong, also MONOPHTHONGIZE.
MONOPHTHONGIZEDmonophthongized v. Simple past tense and past participle of monophthongize.
MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE.
MONOPHTHONGIZESmonophthongizes v. Third-person singular simple present indicative form of monophthongize.
MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE.
PHOTOMECHANICALphotomechanical adj. Of or relating to any of several methods of printing via a plate which has been prepared photographically…
PHOTOMECHANICAL adj. relating to or involving any of various processes for producing printed matter from a photographically prepared surface.

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: 69 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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