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/ˈmɛθɪliːn/ · noun
(organic chemistry) The divalent group –CH₂– in which the free valencies are part of single bonds..
Use methylene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methylene means (organic chemistry) The divalent group –CH₂– in which the free valencies are part of single bonds..
Common synonyms include methene.
The opposite depends on the specific sense.
Use methylene where its definition matches the intended context.
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