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Webster 1913 Edition
Orthotropous
{
Or-thot′ro-pal
,Or-thot′ro-pous
, }Adj.
[
Ortho-
+ Gr. [GREEK] 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.
☞ This word has also been used (but improperly) to describe any embryo whose radicle points towards, or is next to, the hilum.