對易 [对－]

Jyutping deoi3 jik6
Pinyin duì yì

Definitions (Wiktionary)
  1. verb
    to commute (be exchangeable up to the reversion of order)
Examples (Wiktionary)
  1. Mandarin
    对易算符
    對易算符
    duì yì suàn fú
    • commuting operators