† microsporousadj.
Origin: Formed within English, by compounding. Etymons: micro- comb. form, -sporous comb. form.
Etymology: < micro- comb. form + -sporous comb. form. In sense 2 after microspore n. 2.
Botany.
Obsolete.
rare. Apparently only attested in dictionaries or glossaries.
1857 R. G. Mayne (1860) Microsporus,..microsporous.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online June 2021).