| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |
anticholinergic an·ti·cho·lin·er·gic (ān'tē-kō'lə-nûr'jĭk, ān'tī-)
n.
An agent that is antagonistic to the action of parasympathetic or other cholinergic nerve fibers.