microspore noun. ['mʌɪkrǝ(ʊ)spɔ:] M19.
[from MICRO- + SPORE.]
Botany. The smaller of the two kinds of spores in heterosporous cryptogams, which develop into male gametophytes; the analogous structure (the immature pollen grain) in seed plants.

■ micro'sporocyte noun a mother cell that divides into four microspores E20.

■ microsporo'genesis noun the development of microspores M20.

■ microsporoge'netic adjective of or pertaining to microsporogenesis L20.

■ microsporous adjective having small seeds; resembling or derived from a microspore: M19.

[TahlilGaran] English Dictionary ▲