外心

wàixīn
  1. (of a married person) interest in a third person
  2. (old) (of a minister etc) disloyal disposition
  3. (math.) circumcenter (of a polygon)

CEDICT

old math

Entry Composition

1 外 wài
  1. outside
  2. in addition
  3. foreign
  4. external
2 心 xīn
  1. heart
  2. mind
  3. intention
  4. center
  5. core

classifiers: 顆, 個