testulen.

Etymology: < Latin testula, diminutive of testa shell.Previous versions of the OED give the stress as: ˈtestule.

Botany.

The silicified crust or shell of a diatom: more usually called frustule n.

ΘΚΠ

the world > plants > particular plants > algae > [noun] > diatom(s) > part of

frustule1857

auxospore1884

hoop1884

vitta1888

testule1891

1891 in Cent. Dict.

This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2019).

单词	testule
释义	testulen. Etymology: < Latin testula, diminutive of testa shell.Previous versions of the OED give the stress as: ˈtestule. Botany. The silicified crust or shell of a diatom: more usually called frustule n. ΘΚΠ the world > plants > particular plants > algae > [noun] > diatom(s) > part of frustule1857 auxospore1884 hoop1884 vitta1888 testule1891 1891 in Cent. Dict. This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2019). < n.1891
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