Meanings

searching for a marriage partner

Völkerwanderung

efficient cause (one of Aristotle's four fundamental types of answer to the question "why?")

aerobic exercise

active galaxy

animal psychology

animals designated as dangerous by Japanese law

weak verb

women's movement activist

strong verb

vowel stem verb

courtship behavior

women's movement

consonant stem verb

Suez Crisis (1956)

mating behavior

moving walkway

self-playing musical instrument (e.g. music box, player piano)

charge-transfer complex

kinesthesia