cipher
Word family nouncipheringcipher
ci·pher, cypher /ˈsaɪfə $ -ər/ noun 1 [countableC, uncountableU] formalSECRET a system of secret writing 密码;暗号 SYN code an expert in ciphers 密码专家
messages written in cipher 用密码写的信息
2 UNIMPORTANT[countableC] someone who is not important and has no power or influence 无足轻重[无权无势]的人 At work, she was a cipher, a functionary, nothing more. 在工作上她是个无足轻重的人,一名普通职员,仅此而已。
3. HM[countableC] literary the number 0 〔数字〕零 SYN zero Origin cipher (1300-1400) Old French cifre, from Medieval Latin cifra, from Arabic sifr “empty, zero”