| slovo | definícia |
carboxylic acid
(encz) | carboxylic acid, n: |
carboxylic acid
(gcide) | carboxylic acid \carboxylic acid\ n. (Chem.)
an organic compound whose acidity is due to the presence of a
carboxyl gorup. Monocarboxylic acids (such as acetic acid
or butyric acid) have one carboxyl group, dicarboxylic acids
(such as oxalic acid or malonic acid) have two, tricarboxylic
acids (such as citric acid) have three.
[PJC] |
carboxylic acid
(wn) | carboxylic acid
n 1: an organic acid characterized by one or more carboxyl
groups |
| | podobné slovo | definícia |
tricarboxylic acid cycle
(encz) | tricarboxylic acid cycle, n: |
1-heptanecarboxylic acid
(gcide) | oenanthic \oe*nan"thic\, a. [Gr. ? the first shoot of the vine,
the vine blossom, the vine; o'i`nh the vine + ? bloom,
'a`nqos flower.] (Chem.)
Having, or imparting, the odor characteristic of the bouquet
of wine; specifically used, formerly, to designate an acid
(oenanthic acid) whose ethereal salts were supposed to
occasion the peculiar bouquet, or aroma, of old wine. Cf.
oenanthylic.
[1913 Webster]
oenanthic acid, oenanthic acid (Chem.), an acid
(C6H13.CO.OH) obtained from [oe]nanthic ether by the
action of alkalies; called also n-heptanoic acid,
1-heptanecarboxylic acid, enanthic acid, {enanthylic
acid} and oenanthylic acid. It has the odor of sour
sweat. It has the CAS registry number 111-14-8.
oenanthic ether, an ethereal substance (not to be confused
with the bouquet, or aroma, of wine) found in wine lees,
and consisting of a complex mixture of the ethereal salts
of several of the higher acids of the acetic acid series.
It has an ethereal odor, and it used in flavoring
artificial wines and liquors. Called also oil of wine.
See Essential oil, under Essential.
[1913 Webster +PJC] |
propylene dicarboxylic acid
(gcide) | itaconic acid \it`a*con"ic ac"id\, n. (Chem.)
The unsaturated dicarboxylic acid CH2=C(COOH)CH2.COOH, also
called methylenesuccynic acid and {propylene dicarboxylic
acid}.
[PJC] |
tricarboxylic acid cycle
(wn) | tricarboxylic acid cycle
n 1: in all plants and animals: a series of enzymatic reactions
in mitochondria involving oxidative metabolism of acetyl
compounds to produce high-energy phosphate compounds that
are the source of cellular energy [syn: Krebs cycle,
Krebs citric acid cycle, citric acid cycle,
tricarboxylic acid cycle] |
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