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List of 15-letter words beginning with

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There are 7 fifteen-letter words beginning with ORGA

ORGANOCHLORINESorganochlorines n. Plural of organochlorine.
ORGANOCHLORINE n. a compound of chlorine and an organic radical.
ORGANOGRAPHICALorganographical adj. Alternative form of organographic.
ORGANOGRAPHICAL adj. related to organography, a description of the organs of plants or animals, also ORGANOGRAPHIC.
ORGANOGRAPHISTSorganographists n. Plural of organographist.
ORGANOGRAPHIST n. one who practises organography, a description of the organs of plants or animals.
ORGANOMERCURIALorganomercurial adj. Describing any organic compound of mercury.
organomercurial n. (Organic chemistry) Any organic compound of mercury, but especially such a drug.
ORGANOMERCURIAL n. an organic compound or a pharmaceutical preparation containing mercury.
ORGANOMETALLICSorganometallics n. Plural of organometallic.
ORGANOMETALLIC n. an organometallic compound.
ORGANOPHOSPHATEorganophosphate n. (Chemistry) Any ester of phosphoric acid or its derivatives, especially one used as an insecticide or herbicide.
ORGANOPHOSPHATE n. an organophosphorus compound (as a pesticide).
ORGANOTHERAPIESorganotherapies n. Plural of organotherapy.
ORGANOTHERAPY n. treatment of disease by administration of animal organs or extracts of them, esp. of ductless gland extracts.

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: 60 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 15 words


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