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List of 13-letter words containing

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There are 9 thirteen-letter words containing I, L, 2N, 2O, P and U

ANTIPOLLUTIONantipollution n. Anything that helps the environment by reducing pollution.
antipollution adj. Reducing or opposing pollution.
ANTIPOLLUTION adj. designed to prevent or reduce pollution.
INOPPORTUNELYinopportunely adv. In an inopportune manner.
INOPPORTUNE adv. inconvenient, unseasonable.
NUCLEOPROTEINnucleoprotein n. (Biochemistry) Any complex of a nucleic acid and a protein.
NUCLEOPROTEIN n. a compound that consists of a protein (as a histone) conjugated with a nucleic acid (as a DNA) and that is the principal constituent of the hereditary material in chromosomes.
PHYLLOQUINONEphylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione.
PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation.
PLASTOQUINONEplastoquinone n. (Biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis.
PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation.
SNOWPLOUGHINGsnowploughing v. Present participle of snowplough.
snow␣ploughing v. Present participle of snow plough.
SNOWPLOUGH v. to clear with a snowplough, also SNOWPLOW.
SULPHONATIONSsulphonations n. Plural of sulphonation.
SULPHONATION n. the act of sulphonating.
UNAPOLOGISINGUNAPOLOGISING adj. not apologising, also UNAPOLOGIZING.
UNAPOLOGIZINGunapologizing adj. Making no apology.
UNAPOLOGIZING adj. not apologizing, also UNAPOLOGISING.

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: 50 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 9 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 33 words


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