等差數列 Save Sign in to save words Simplified: 等差数列 děngchāshùliè ㄉㄥˇ ㄔㄚ ㄕㄨˋ ㄌㄧㄝˋ arithmetic progression math. Character by character 等(děng)wait for 差(chā)difference 數(shù)number 列(liè)arrange A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0