10 letters · 16 points in Scrabble
noun smaller of the two types of spore produced in heterosporous plants; develops in the pollen sac into a male gametophyte
originEtymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- English spore English microspore From micro- + spore.
Etymology from Wiktionary, CC BY-SA 3.0