00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| to remove impurities from a gas by chemical means, as sulfur dioxide from smokestack gas or carbon dioxide from exhaled air in life-support packs |
| any of a class of chemical compounds having the general formula ROH, where R represents an alkyl group and ?OH a hydroxyl group |
| heterocyclic (ˌhɛtərəʊˈsaɪklɪk, -ˈsɪk-) | |
| —adj | |
| Compare homocyclic (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atom | |
heterocyclic het·er·o·cy·clic (hět'ə-rō-sī'klĭk, -sĭk'lĭk)
adj.
Containing more than one kind of atom joined in a ring.
| heterocyclic (hět'ə-rō-sī'klĭk, -sĭk'lĭk) Pronunciation Key
Of or relating to a compound containing a closed ring structure made of more than one kind of atom. Pyridine (C5H5N), for example, is a heterocyclic compound, as its ring contains five carbon atoms and one nitrogen atom. Compare homocyclic. |