猜想

cāixiǎng
  1. to guess; to conjecture; to suppose
  2. (math.) hypothesis

CEDICT

math

Entry Composition

1 猜 cāi to guess
2 想 xiǎng
  1. to think (about)
  2. to think of; to devise
  3. to think (that); to believe (that)
  4. to desire; to want (to)
  5. to miss (feel wistful about the absence of)