精せい子し形けい成せいMeaningsNoun1. spermatogenesis; sperm maturationKanji used精spirit (of life)子child形shape成becomeComposed of精せい子しsperm; spermatozoonNoun形けい成せいformation; molding; making (up); taking form; giving form to; repair (e.g. with plastic surgery); replacement; -plastyNoun