常量

chángliàng
a constant (physics, math.)

CEDICT

physics math

Entry Composition

1 常 cháng
  1. always
  2. ever
  3. often
  4. frequently
  5. common
  6. general
  7. constant
2 量 liàng
  1. capacity
  2. quantity
  3. amount
  4. to estimate
  5. abbr. for 量词 liàngcí, classifier (in Chinese grammar)
  6. measure word