describent, a. and n.
(dɪˈskraɪbənt)
[ad. L. dēscrībentem, pr. pple. of dēscrībĕre to describe.]
A. adj. ‘Describing, marking out by its motion’ (Ash 1775). B. n. Geom. A point, line, or surface, producing by its motion a line, surface, or solid; a generatrix.
| 1704 in J. Harris Lex. Techn. |