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List of 12-letter words containing

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There are 9 twelve-letter words containing L, N, 2O, 2P and Y

CYCLOPROPANEcyclopropane n. (Organic chemistry, pharmacology) The simplest alicyclic hydrocarbon, C3H6, an inflammable gas, sometimes…
CYCLOPROPANE n. a flammable gaseous saturated cyclic hydrocarbon sometimes used as a general anesthetic.
HYPOPLASTRONhypoplastron n. The third lateral plate in the plastron of turtles.
HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron.
PHONOTYPICALphonotypical adj. Alternative form of phonotypic.
PHONOTYPICAL adj. of or like a phonotype, a printing type of phonetic alphabet, also PHONOTYPIC.
PODOPHYLLINSpodophyllins n. Plural of podophyllin.
PODOPHYLLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLIN.
POLYISOPRENEpolyisoprene n. (Chemistry) Any polymer whose constituent monomer is isoprene; especially natural, and some synthetic, rubbers.
POLYISOPRENE n. a rubberlike polymer of isoprene.
POLYPHENOLICpolyphenolic adj. Of, or relating to the polyphenols.
polyphenolic n. A polyphenol, or derivative.
POLYPHENOLIC adj. of or like polyphenol.
POLYPHONISTSpolyphonists n. Plural of polyphonist.
POLYPHONIST n. a contrapuntist, one who writes counterpoint.
POLYPHYODONTpolyphyodont n. Any animal whose teeth are continuously replaced.
POLYPHYODONT adj. having more than two successive dentitions.
POLYPROPENESpolypropenes n. Plural of polypropene.
POLYPROPENE n. any of various thermoplastic plastics or fibers that are polymers of propylene, also POLYPROPYLENE.

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: 51 words
  • Scrabble in French: 5 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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