| slovo | definícia |
C4H5N
(gcide) | pyrrol \pyr"rol\, pyrrole \pyr"role\, n. [Gr. ? flame-colored
(from ? fire) + L. oleum oil.] (Chem.)
A nitrogenous heterocyclic base found in coal tar, bone oil,
and other distillates of organic substances, and also
produced synthetically as a colorless liquid, C4H5N, having
on odor like that of chloroform. It is the nucleus and origin
of a large number of derivatives. So called because it colors
a splinter of wood moistened with hydrochloric acid a deep
red.
[1913 Webster] |
| | podobné slovo | definícia |
C4H5N3O
(gcide) | cytosine \cy"to*sine\ (s[imac]"t[-o]*s[i^]n or
s[imac]"t[-o]*s[=e]n), n. (Biochemistry)
A pyrimidine (C4H5N3O) which is one of the four major basic
components of DNA and RNA in most organisms, forming
glyosides with ribose and deoxyribose. It is the basic
component of cytidine, deoxycytidine, cytosine, cytidine
monophosphate, and derivatives of those compounds.
[PJC] |
C4H5N3O4
(gcide) | Oxonic \Ox*on"ic\, a. [Prob. glyoxalic + carbonic.] (Chem.)
Pertaining to, or designating, a complex nitrogenous acid
(C4H5N3O4) not known in the free state, but obtained, in
combination with its salts, by a slow oxidation of uric acid,
to which it is related.
[1913 Webster] |
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