比重

bǐzhòng
  1. proportion
  2. specific gravity

CEDICT

Entry Composition

1 比 bǐ
  1. to compare
  2. (followed by a noun and adjective) more {adj.} than {noun}
  3. ratio
  4. to gesture
  5. (Taiwan pr. bì in some compounds derived from Classical Chinese)
2 重 zhòng
  1. heavy
  2. serious
  3. to attach importance to