同調 [－调]

Jyutping tung4 diu6
Pinyin tóng diào

Definitions (CC-CEDICT)
  1. same tone
  2. in agreement with
  3. homology (invariant of a topological space in math.)
Definitions (Wiktionary)
  1. noun
    same tune
  2. noun
    homology
  3. noun, figuratively
    people with the same interests
  4. noun
    same tone