释义 |
convanesce, v. Math.|kɒnvəˈnɛs| [f. L. con- together + vānēscĕre to vanish.] To disappear by the running together of two summits: said of the edge of a polyhedron.
1851E. P. Kirkman in Phil. Trans. CXLVII. 187 If AB convanesces by the union of its summits, P becomes P′, losing the faces A and B. |