| 帧首定界符 | zhèng shǒu dìng jiè fú | start of frame delimiter |
| 平均值定理 | píng jūn zhí dìng lǐ | the mean value theorem (in calculus) |
| 平定县 | Píng dìng xiàn | Pingding county in Yangquan 阳泉, Shanxi |
| 平方反比定律 | píng fāng fǎn bì dìng lǜ | the inverse square law (in gravitation or electrostatics) |
| 康定 | Kāng dìng | Dartsendo, Dardo or Kangding county (Tibetan: dar mdo rdzong) in Garze Tibetan autonomous prefecture 甘孜藏族自治州, Sichuan (formerly in Kham province of Tibet) |
| 康定县 | Kāng dìng xiàn | Dartsendo, Dardo or Kangding county (Tibetan: dar mdo rdzong) in Garze Tibetan autonomous prefecture 甘孜藏族自治州, Sichuan (formerly in Kham province of Tibet) |
| 彭定康 | Péng Dìng kāng | Chris Patten (1944-), last British Governor of Hong Kong 1992-1997 |
| 待定 | dài dìng | to await a decision; to be pending |
| 微积分基本定理 | wēi jī fēn jī běn dìng lǐ | fundamental theorem of calculus |
| 把持不定 | bǎ chí bù dìng | indecisive (idiom) |
| 抗原决定簇 | kàng yuán jué dìng cù | antigen determinant (causing immunological response); epitope |
| 抱定 | bào dìng | to hold on firmly; to cling (to a belief); stubbornly |
| 拉米夫定 | Lā mǐ fū dìng | Lamivudine, reverse transcriptase inhibitor marketed by GlaxoSmithKline and widely used in the treatment of hepatitis B and AIDS; brand names include Zeffix, Heptovir, Epivir and Epivir-HBV |
| 按质定价 | àn zhì dìng jià | to fix a price based on quality (idiom) |
| 推定 | tuī dìng | to infer; to consider and come to a judgment; to recommend; to estimate; deduced to be |
| 摇摆不定 | yáo bǎi bù dìng | indecisive; wavering |
| 搞定 | gǎo dìng | to fix; to settle; to wangle |
| 择定 | zé dìng | select (a date) |
| 放射免疫测定 | fàng shè miǎn yì cè dìng | radioimmunoassay |
| 敲定 | qiāo dìng | to conclude; a resolution |
| 料定 | liào dìng | certain; to know for sure |
| 斟酌决定权 | zhēn zhuó jué dìng quán | discretionary power |
| 斯文・海定 | Sī wén · Hǎi dìng | Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 楼兰; also written 斯文·赫定 |
| 斯文・赫定 | Sī wén · Hè dìng | Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 楼兰 |
| 明文规定 | míng wén guī dìng | expressly stipulated (in writing) |
| 昏定晨省 | hūn dìng chén xǐng | seeing to bed in the evening and visiting in the morning (ancient filial duty) |
| 时间测定学 | shí jiān cè dìng xué | chronometry |
| 晨昏定省 | chén hūn dìng xǐng | morning and evening visits to parents; cf 昏定晨省 |
| 普定 | Pǔ dìng | Puding county in Anshun 安顺, Guizhou |
| 普定县 | Pǔ dìng xiàn | Puding county in Anshun 安顺, Guizhou |
| 暂定 | zàn dìng | temporary arrangement; provisional; tentative |
| 未决定 | wèi jué dìng | pending |
| 未确定 | wèi què dìng | indeterminate |
| 根据规定 | gēn jù guī dìng | according to provisions; as stipulated in the rules |
| 档案传输协定 | dàng àn chuán shū xié dìng | File Transfer Protocol (FTP) |
| 钦定 | qīn dìng | compiled and published by Imperial command (old) |
| 正定县 | Zhèng dìng xiàn | Zhengding county in Shijiazhuang 石家庄, Hebei |
| 武定 | Wǔ dìng | Wuding reign name (543-550) during Eastern Wei of the Northern Dynasties 东魏; Wuding county in Chuxiong Yi autonomous prefecture 楚雄彝族自治州, Yunnan |
| 武定县 | Wǔ dìng xiàn | Wuding county in Chuxiong Yi autonomous prefecture 楚雄彝族自治州, Yunnan |
| 毒莠定 | dú yǒu dìng | picloram |
| 氯磷定 | lǜ lín dìng | pralidoxime chloride |
| 永定区 | Yǒng dìng qū | Yongding district of Zhangjiajie city 张家界市, Hunan |
| 永定县 | Yǒng dìng xiàn | Yongding county in Longyan 龙岩, Fujian |
| 永定门 | Yǒng dìng mén | Yongdingmen |
| 决定簇 | jué dìng cù | determinant (causing immunological response); epitope |
| 法定人数 | fǎ dìng rén shù | quorum |
| 法定货币 | fǎ dìng huò bì | fiat currency |
| 派定 | pài dìng | to believe; to be convinced |
| 浮力定律 | fú lì dìng lǜ | Archimedes' law of flotation |
| 泸定 | Lú dìng | Luding county (Tibetan: lcags zam rdzong) in Garze Tibetan autonomous prefecture 甘孜藏族自治州, Sichuan (formerly in Kham province of Tibet) |
