transversanadj.
Botany.
(See quot. 1900.)
ΚΠ
1900 B. D. Jackson Gloss. Bot. Terms 274/1 Transversan Plane, that which passes through the centre of a Diatom frustule vertically to the pervalvar axis (O. Mueller).
This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2019).
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adj.1900