methylene

See also: méthylène

English

Etymology

French méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”).

Pronunciation

• IPA^(key): /ˈmɛθɪliːn/

• Audio (Southern England):

  (file)

Noun

methylene (countable and uncountable, plural methylenes)

1. (organic chemistry) The divalent group –CH₂– in which the free valencies are part of single bonds.
2. (organic chemistry) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
3. (organic chemistry) The unstable carbene :CH₂

Synonyms

• methene

Derived terms

• chloromethylene
• decamethonium
• demecarium
• dimethylene
• exomethylene
• hexamethonium
• medronic acid
• methenamine
• methoctramine
• methylenation
• methylene-bis-ortho-chloroaniline
• methylene blue
• methylene chloride
• methylenecyclopentadiene
• methylenecyclopropane
• methylene dichloride
• methylenedioxy
• methylenedioxyamphetamine
• methylenediphosphonate
• methylene diphosphonate
• methylenetetrahydrofolate
• methylenic
• new methylene
• octamethylene
• oxymethylene
• pentamethylene
• pentamethylenediamine
• polymeric methylene diphenyl diisocyanate
• polymethylene
• polyoxybenzylmethylenglycolanhydride
• polyoxymethylene
• suxamethonium
• tetramethylene
• trimethylene
• trioxymethylene

Related terms

• methylenomycin
• methylidene

Translations

divalent radical

• Catalan: metilè m
• Finnish: metyleeni
• French: méthylène (fr) m
• Greek: μεθυλένιο (el) n (methylénio)
• Italian: metilene m
• Portuguese: metileno
• Russian: метиле́н (ru) m (metilén)
• Spanish: metileno m
• Tagalog: metileno

group present as a repeating unit

• French: méthylène (fr) m
• Greek: μεθυλένιο (el) n (methylénio)
• Russian: метиле́н (ru) m (metilén)
• Spanish: metileno m

unstable carbene CH₂

• French: méthylène (fr) m
• Greek: μεθυλένιο (el) n (methylénio)
• Russian: метиле́н (ru) m (metilén)
• Spanish: metileno m

Further reading

• methylene on Wikipedia.Wikipedia