Found 1 items, similar to Frustule.
English → English (gcide) Definition: Frustule Frustule \Frus"tule\, n. [L. frustulum, dim. fr. frustum a piece: cf. F. frustule.] (Bot.) The siliceous shell of a diatom. It is composed of two valves, one overlapping the other, like a pill box and its cover. [1913 Webster]