弱作用

ruòzuòyòng
(physics) weak interaction

CEDICT

physics

Entry Composition

1 弱 ruò
  1. weak; feeble
  2. young
  3. inferior; not as good as
  4. (following a decimal or fraction) slightly less than
2 作用 zuòyòng
  1. to act on; to affect
  2. action; function; activity
  3. impact; result; effect
  4. purpose; intent
  5. (suffix) -ation, -tion etc, as in 抑制作用 yìzhìzuòyòng, inhibition