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1. (n.) methylene
the bivalent organic group CH
Etymology: (< F méthylène (1834) = Gk méth(y) wine (see mead1) +hýl(ē) wood + F -ène -ene)
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| Definition of 'Methylene' |
Princeton's WordNet |
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1. (noun) methylene group, methylene radical, methylene
the bivalent radical CH2 derived from methane
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| Definition of 'Methylene' |
Webster Dictionary |
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1. (noun) Methylene
a hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene
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