| 释义 |
catenoid, a. and n.|ˈkætɪnɔɪd|
[f. catena + -oid.]
A. adj. Catenary, chain-like.
B. n. Math. The surface formed by the revolution of a catenary about its axis.
1876Encycl. Brit. V. 68/2 This catenoid..is in stable equilibrium only when the portion considered is such that the tangents to the catenary at its extremities intersect before they reach the directrix. 1901Calkins Protozoa 156 Such pseudoconjugation frequently leads to the formation of catenoid colonies. |