| slovo | definícia |
C6H4OH2
(gcide) | Hydroquinone \Hy`dro*qui"none\, n. [Hydro-, 2 + quinone.]
(Chem.)
A white crystalline substance, C6H4(OH)2, obtained by the
reduction of quinone. It is a diacid phenol, resembling, and
metameric with, pyrocatechin and resorcin. Called also
dihydroxy benzene.
[1913 Webster] |
C6H4OH2
(gcide) | Oxyphenol \Ox`y*phe"nol\, n. (Chem.)
A phenol, C6H4(OH)2, produced by the distillation of
catechin; called also oxyphenic acid, and now
pyrocatechin.
[1913 Webster] |
C6H4OH2
(gcide) | Pyrocatechin \Pyr`o*cat"e*chin\, n. [Pyro- + catechu.] (Chem.)
A white crystalline substance, C6H4(OH)2, of the phenol
series, found in various plants; -- so called because first
obtained by distillation of gum catechu. Called also
catechol, oxyphenol. etc.
[1913 Webster] |
| | podobné slovo | definícia |
C6H4OH2
(gcide) | Hydroquinone \Hy`dro*qui"none\, n. [Hydro-, 2 + quinone.]
(Chem.)
A white crystalline substance, C6H4(OH)2, obtained by the
reduction of quinone. It is a diacid phenol, resembling, and
metameric with, pyrocatechin and resorcin. Called also
dihydroxy benzene.
[1913 Webster]Oxyphenol \Ox`y*phe"nol\, n. (Chem.)
A phenol, C6H4(OH)2, produced by the distillation of
catechin; called also oxyphenic acid, and now
pyrocatechin.
[1913 Webster]Pyrocatechin \Pyr`o*cat"e*chin\, n. [Pyro- + catechu.] (Chem.)
A white crystalline substance, C6H4(OH)2, of the phenol
series, found in various plants; -- so called because first
obtained by distillation of gum catechu. Called also
catechol, oxyphenol. etc.
[1913 Webster] |
|