| slovo | definícia |
Dimethyl
(gcide) | Dimethyl \Di*meth"yl\, n. [Pref. di- + methyl.] (Chem.)
Ethane; -- sometimes so called because regarded as consisting
of two methyl radicals. See Ethane.
[1913 Webster] |
dimethyl
(gcide) | ethane \eth"ane\ ([e^]th"[=a]n), n. [From Ether.] (Chem.)
A gaseous hydrocarbon, C2H6, forming a constituent of
ordinary illuminating gas. It is the second member of the
paraffin series, and its most important derivatives are
common alcohol (ethyl alcohol), acetaldehyde, ether, and
acetic acid. Called also dimethyl.
[1913 Webster] |
| | podobné slovo | definícia |
dimethyl ketone
(encz) | dimethyl ketone,dimetylketon [eko.] RNDr. Pavel Piskač |
dimethylglyoxime
(encz) | dimethylglyoxime, n: |
dimethyl
(gcide) | Dimethyl \Di*meth"yl\, n. [Pref. di- + methyl.] (Chem.)
Ethane; -- sometimes so called because regarded as consisting
of two methyl radicals. See Ethane.
[1913 Webster]ethane \eth"ane\ ([e^]th"[=a]n), n. [From Ether.] (Chem.)
A gaseous hydrocarbon, C2H6, forming a constituent of
ordinary illuminating gas. It is the second member of the
paraffin series, and its most important derivatives are
common alcohol (ethyl alcohol), acetaldehyde, ether, and
acetic acid. Called also dimethyl.
[1913 Webster] |
dimethyl ether
(gcide) | Methyl \Meth"yl\, n. [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.]
[1913 Webster]
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, n.
Methyl orange. (Chem.) See Helianthin.
Methyl violet (Chem.), an artificial dye, consisting of
certain methyl halogen derivatives of rosaniline.
[1913 Webster] |
dimethyl pyridine
(gcide) | Lutidine \Lu"ti*dine\, n. [From toluidine, by transposition.]
(Chem.)
Any one of several metameric alkaloids, C5H3N.(CH3)2, of
the pyridine series, obtained from bone oil as liquids, and
having peculiar pungent odors. These alkaloids are also
called respectively dimethyl pyridine, ethyl pyridine,
etc.
[1913 Webster] |
dimethyl xanthine
(gcide) | Theobromine \The`o*bro"mine\, n. (Chem.)
An alkaloidal ureide, C7H8N4O2, homologous with and
resembling caffeine, produced artificially, and also
extracted from cacao and chocolate (from Theobroma Cacao)
as a bitter white crystalline substance; -- called also
dimethyl xanthine.
[1913 Webster] |
dimethyl ketone
(wn) | dimethyl ketone
n 1: the simplest ketone; a highly inflammable liquid widely
used as an organic solvent and as material for making
plastics [syn: acetone, propanone, dimethyl ketone] |
dimethylglyoxime
(wn) | dimethylglyoxime
n 1: a compound used in analysis as a precipitant for palladium
or nickel |
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