- 十二月 Shí'èryuè Decemberthe twelfth month of the Gregorian calendar
- 十二指肠 shí'èrzhǐcháng duodenum
- 十二月份 shí'èryuèfèn December
- 十二分 shí'èrfēn extremelyto the highest degree; exceedingly; hundred percent; everything and more
- 七十二 qīshí'èr seventy-twothe number 72.
- 十二支 shí'èrzhī earthly branchesThe twelve earthly branches ([[子|子|zi3]], [[丑|丑|chou3]], [[寅|寅|yin2]], [[卯|卯|mao3]], [[辰|辰|chen2]], [[巳|巳|si4]], [[午|午|wu3]], [[未|未|wei4]], [[申|申|shen1]], [[酉|酉|you3]], [[戌|戌|xu1]], [[亥|亥|hai4]]), used cyclically in the calendar and as ordinal numbers.
- 十二时辰 shí'èrshíchen double hoursthe twelve divisions of the day used in early Chinese and Babylonian timekeeping and astronomy
- 十二星座 shí'èrxīngzuò zodiac signsthe twelve signs of the zodiac
- 十二点半 shí'èrdiǎnbàn half past twelvethe time representing 12:30
- 十二码 shí'èrmǎ 12-yarda distance measurement of twelve yards, often used in sports field marking
- 十二经 shí'èrjīng twelve meridiansthe twelve principal channels of traditional Chinese medicine
- 十二经脉 shí'èrjīngmài twelve meridiansthe twelve principal meridians of traditional Chinese medicine (TCM)
- 十二角形 shí'èrjiǎoxíng dodecagon
- 十二边形 shí'èrbiānxíng dodecagon
- 十二面体 shí'èrmiàntǐ dodecahedron
- 四十二章经 Sìshí'èr Zhāngjīng Forty-two Sections SutraThe Sutra in Forty-two Sections Spoken by the Buddha, the first Chinese Buddhist text, translated in 67 AD by Kasyapa-Matanga and Gobharana (Dharmaraksha).
- 黄花岗七十二烈士 Huánghuāgāngqīshí'èrlièshì Huanghuagang martyrsthe seventy-two martyrs of the Huanghuagang uprising of April 1911
- 三十二位元 sānshí'èrwèiyuán 32-bit32-bit (computing)
- 三十二相 sānshí'èrxiàng thirty-two marksthe thirty-two physical characteristics of Buddha
- 十二地支 shí'èrdìzhī 12 earthly branchesthe twelve earthly branches: [[子|子|zi3]], [[丑|丑|chou3]], [[寅|寅|yin2]], [[卯|卯|mao3]], [[辰|辰|chen2]], [[巳|巳|si4]], [[午|午|wu3]], [[未|未|wei4]], [[申|申|shen1]], [[酉|酉|you3]], [[戌|戌|xu1]], [[亥|亥|hai4]] (used cyclically in the calendar and as ordinal numbers)
- 十二宫 shí'èrgōng zodiacThe twelve equatorial constellations or signs of the zodiac in Western astronomy and astrology.
- 十二平均律 shí'èrpíngjūnlǜ equal temperament