交換

交换
jiāohuàn
  1. to exchange
  2. to swap
  3. to switch (telecom)
  4. commutative (math)
  5. to commute

CEDICT

math

Entry Composition

1 交 jiāo
  1. to hand over; to deliver; to pay (money); to turn over
  2. to make friends
  3. (of lines) to intersect
  4. variant of 跤 jiāo
2 換 huàn
  1. to exchange
  2. to change (clothes etc)
  3. to substitute
  4. to switch
  5. to convert (currency)