用不用説

ようふようせつyoufuyousetsu

noun

  1. Lamarckian evolutionary theory in which individuals lose characteristics that are not used and develop characteristics that are often used

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences