Meaning of MICROSPORE in English

ˈmīkrə+ˌ- noun

Etymology: International Scientific Vocabulary micr- + spore

1. : one of the spores of a heterosporous plant (as the pollen grain of a seed plant) that gives rise to male gametophytes and that is generally smaller than the megaspore

2. : the smaller of two forms of spores produced by various protozoans (as Radiolaria)

• mi·cro·spor·ic | ̷ ̷ ̷ ̷|spōrik or mi·cro·spor·ous | ̷ ̷ ̷ ̷|spōrəs, (ˈ)mī|kräspərəs adjective

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.