| 释义 |
‖ ˈfrustulum Obs.
Pl. frustula.
[L. frustulum small piece.]
a. A fragment, an atom.
b. Math. A small frustum.
1700S. Parker 6 Philos. Ess. 109 Nor yet could each such Frustulum have been so modify'd and temper'd as we find, unless by the same. 1785Herschel in Phil. Trans. LXXV. 241 Suppose a rectangular cone cut into frustula by..planes perpendicular to the axis. |