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Webster 1913 Edition


Methyl

Meth′yl

,
Noun.
[See
Methylene
.]
(Chem.)
A univalent hydrocarbon radical,
CH3-
, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives;
as,
methyl
alcohol,
methyl
ether,
methyl
amine, etc.
[Formerly written also
methule
,
methyle
, etc.]
Methyl alcohol
(Chem.)
,
a light, volatile, inflammable liquid,
CH3.OH
, obtained by the distillation of wood, and hence called
wood alcohol
or
wood spirit
; tecnically referred to as
methanol
; – called also
methol
,
carbinol
, etc.
Methyl amine
(Chem.)
,
a colorless, inflammable, alkaline gas,
CH3.NH2
, having an ammoniacal, fishy odor. It is produced artificially, and also occurs naturally in herring brine and other fishy products. It is regarded as ammonia in which a third of its hydrogen is replaced by methyl, and is a type of the class of
substituted ammonias
.
Methyl ether
(Chem.)
,
a light, volatile ether
CH3.O.CH3
, obtained by the etherification of methyl alcohol; – called also
methyl oxide
or
dimethyl ether
.
Methyl green
.
(Chem.)
See under
Green
,
Noun.
Methyl orange
.
(Chem.)
Methyl violet
(Chem.)
,
an artificial dye, consisting of certain methyl halogen derivatives of rosaniline.

Definition 2024


méthyl

méthyl

See also: methyl, Methyl, methyl-, and méthyl-

French

Noun

méthyl m (uncountable)

  1. (organic chemistry, in combination) methyl

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