衍射

yǎnshè
(physics) to diffract

CEDICT

physics

Entry Composition

1 衍 yǎn
  1. to spread out
  2. to develop
  3. to overflow
  4. to amplify
  5. superfluous
=2 射 shè old variant of 射 shè
=2 射 shè
  1. to shoot
  2. to launch
  3. to allude to
  4. radio- (chemistry)