- Orthotropal
- Orthotropal Or*thot"ro*pal, Orthotropous Or*thot"ro*pous, a.
[Ortho- + Gr. ? to turn: cf. F. orthotrope.] (Bot.)
Having the axis of an ovule or seed straight from the hilum
and chalaza to the orifice or the micropyle; atropous.
[1913 Webster]
Note: This word has also been used (but improperly) to describe any embryo whose radicle points towards, or is next to, the hilum. [1913 Webster]
The Collaborative International Dictionary of English. 2000.