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There are 3 nine-letter words beginning with ISOBUT

ISOBUTANEisobutane n. (Organic chemistry) A hydrocarbon, a particular isomer of C4H10 found in natural gas.
ISOBUTANE n. a gaseous branched-chain hydrocarbon.
ISOBUTENEisobutene n. (Organic chemistry) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture…
ISOBUTENE n. an isomer of butene.
ISOBUTYLSisobutyls n. Plural of isobutyl.
ISOBUTYL n. as in methyl isobutyl ketone, a colourless insoluble liquid ketone used as a solvent for organic compounds.

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: 3 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 4 words
  • Scrabble in German: 1 word
  • Scrabble in Romanian: no word


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