| 1 | 笛 | 笛 | dí | di2 | flute | | |
| 2 | 笛卡儿 | 笛卡兒 | dí kǎ ér | Di2 ka3 er2 | René Descartes (1596-1650), French philosopher and author of Discours de la méthode 方法论 | | |
| 3 | 笛卡儿坐标制 | 笛卡兒座標制 | dí kǎ ér zuò biāo zhì | Di2 ka3 er2 zuo4 biao1 zhi4 | Cartesian coordinate system | | |
| 4 | 笛卡尔 | 笛卡爾 | dí kǎ ěr | Di2 ka3 er3 | René Descartes (1596-1650) French philosopher | | |
| 5 | 笛膜 | 笛膜 | dí mó | di2 mo2 | membrane which covers a hole in a flute and produces a buzzing tone | | |
| 6 | 笛沙格 | 笛沙格 | dí shā gé | Di2 sha1 ge2 | Girard Desargues (1591-1661), French geometer | | |
| 7 | 笛子 | 笛子 | dí zi | di2 zi5 | bamboo flute; Classifiers: 管 | | |