ˈaˌlēn noun
( -s )
Etymology: International Scientific Vocabulary, contraction of allylene
1. : a gaseous hydrocarbon CH 2 = C = CH 2 — called also propadiene, sym-allylene
2. : a diolefin with its two double bonds in adjacent positions
ˈaˌlēn noun
( -s )
Etymology: International Scientific Vocabulary, contraction of allylene
1. : a gaseous hydrocarbon CH 2 = C = CH 2 — called also propadiene, sym-allylene
2. : a diolefin with its two double bonds in adjacent positions
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012