The siliceous two-valved shell of a diatom, with its contents.
单词 | θ23821 |
释义 | the world > plants > particular plants > algae > [noun] > diatom(s) > part of (5) frustule1857 The siliceous two-valved shell of a diatom, with its contents. auxospore1884 A spore formed in diatoms by the union of two cells or by the excessive growth of an individual cell. Also, the resting-spore of the diatoms. hoop1884 Botany. Applied to the overlapping edge of one of the valves of the frustule of the Diatomaceæ; called also the ‘girdle’. vitta1888 Botany. One of a number of internal projections occurring in the valves of diatomaceous plants. testule1891 The silicified crust or shell of a diatom: more usually called frustule, n. |
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