methylene
methylene · methylenes
метилен
The divalent group –CH₂– in which the free valencies are part of single bondsThe divalent group –CH₂– in which the free valencies are part of single bonds.
/ˈmɛθɪliːn/
Meaning
3 senses(countable, uncountable)The divalent group –CH₂– in which the free valencies are part of single bonds.
метиле́нmetilén
(countable, uncountable)The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
метиле́нmetilén
(countable, uncountable)The unstable carbene :CH₂
метиле́нmetilén
More definitions
- the bivalent radical CH2 derived from methane
Translations
5 languagesРусский
By meaning 1
divalent radical:
Origin
French méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”). By surfaceFrench méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”). By surface analysis, meth- + -ylene.
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Forms
plural: methylenes| Singular | methylene |
|---|---|
| Plural | methylenes |
regular
Synonyms
3 synonymsClose in meaning
- the bivalent radical CH2 derived from methane:methylene groupmethylene radical
Word family
35 related wordsDerivedchloromethylenedecamethoniumdemecariumdimethyleneexomethyleneheptamethylenehexamethoniummedronic acidmethenaminemethoctraminemethylenationmethylene-bis-ortho-chloroanilinemethylene bluemethylene chloridemethylenecyclopentadienemethylenecyclopropanemethylene dichloridemethylenedioxymethylenedioxyamphetaminemethylene diphosphonatemethylenetetrahydrofolatemethylenicoctamethyleneoxymethylene
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable