ˈmeˌthēn noun
( -s )
Etymology: International Scientific Vocabulary meth- + -ene
1. : methylene
2. : a complex unsaturated derivative of methane of the general formula R−CH . R′
di-pyrryl- methene HNC 4 H 3 −CH . C 4 H 3 N
ˈmeˌthēn noun
( -s )
Etymology: International Scientific Vocabulary meth- + -ene
1. : methylene
2. : a complex unsaturated derivative of methane of the general formula R−CH . R′
di-pyrryl- methene HNC 4 H 3 −CH . C 4 H 3 N
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012