等差数列 Save Sign in to save words Traditional (Taiwan): 等差數列 děngchāshùliè ㄉㄥˇ ㄔㄚ ㄕㄨˋ ㄌㄧㄝˋ arithmetic progression math. Character by character 等(děng)wait for 差(chā)difference 数(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