methylene meaning
ENWMethylene
- In chemistry, methylene generally refers to a carbon atom bound to two hydrogen atoms. It may mean:
- Methylene (compound) or (unsubstituted) carbene, :CH
- 2
- Methylene group or methylidene, a part of a molecule with formula =CH
- 2, connected to another atom by a double bond, as in "methylenecyclopropene"
- Methylene bridge or methanediyl, -CH
- 2-, with the carbon connected to two distinct atoms, as in "methylene dichloride"
- Methylene may also be:
- An obsolete name for methanol, CH
- 3OH.
- "Bichloride of methylene" (30% methanol and 70% chloroform), a variant of the old anesthetic A.C.E. mixture.
FR méthylène 
- NounPLmethylenesPREméthyl-SUF-ène
- (organic chemistry) The divalent radical CH2< in which the free valencies are part of single bonds.
- (organic chemistry) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
- (organic chemistry) The unstable carbene CH2.
- (organic chemistry) The divalent radical CH2< in which the free valencies are part of single bonds.
- More Examples
- Used in the Beginning of Sentence
- Methylene blue (MB, methylthioninium chloride) is a phenothiazine that crosses the blood brain barrier and acts as a redox cycler.
- Used in the Beginning of Sentence
Definition of methylene in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Nouns
Source: Wiktionary
Grammatically, this word "methylene" is a noun, more specifically, a countable noun and a singularia tantum.