isobutene
Word Rarity
Very rare
Frequency: Zipf frequency 1.01 in modern English
11
Scrabble Score
9
Letters
1
Syllables
8
Unique Chars
Meaning
noun
The unsaturated hydrocarbon methylpropene, (CH₃)₂C=CH₂; used in the manufacture of polybutene and butyl rubber.
Countable; Uncountable
Etymology
Etymology tree Ancient Greek ῐ̓́σος (ĭ́sos)lbor. English iso- Proto-Indo-European *gʷṓws Proto-Hellenic *gʷous Ancient Greek βοῦς (boûs) Proto-Indo-European *tewh₂- Proto-Indo-European *-rós Proto-Indo-European *tuh₂rós Proto-Hellenic *tūrós Ancient Greek τῡρός (tūrós) Ancient Greek βούτῡρος (boútūros)der. English but- English -ene English butene English isobutene From iso- + butene.