- 密码子 mìmǎzi codon(biochemistry) codon
- 反密码子 fǎnmìmǎzi anticodon(biochemistry) anticodon
- 同一码子 tóngyīmǎzi the same thingidiomatic expression meaning the same thing or of the same nature, often used in negative or comparative contexts.
- 苏州码子 Sūzhōumǎzi Suzhou numeralsA traditional Chinese system of ten numerals (〡,〢,〣,〤,〥,〦,〧,〨,〩,〸) used for bookkeeping and in trades such as Chinese medicine.