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English
noun
:
butylene
1.
butylene
(substance)
any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
Synonyms
butene
Broader (hypernym)
gas
Narrower (hyponym)
isobutylene
,
polybutene
,
polybutylene
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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