衍射格子 yǎn shè gé zi

DEFINITIONS

  1. diffraction grating (physics)

CHARACTERS

衍 yǎn
HSK 6
overflow, spill over, spread out
射 shè
HSK 5
shoot, eject, issue forth, emit
格 gé
HSK 4
pattern, standard, form; style
子 zi
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch