- sexadecimal
[sexadecimal 词源字典]
- "Relating to the number 16; specifically (of a number system) based on the number 16, rather than the usual 10; also as noun Compare sexdecimal", Late 19th cent.; earliest use found in The Century Dictionary. Alteration of sexdecimal, either after sexa-, or with insertion of -a- after hexa-.[sexadecimal etymology, sexadecimal origin, 英语词源]