| 底 | de | (equivalent to 的 as possessive particle) |
| 底 | dǐ | background; bottom; base; the end of a period of time; towards the end of (last month) |
| 底片 | dǐ piàn | negative; photographic plate |
| 底下 | dǐ xia | the location below sth; afterwards |
| 底边 | dǐ biān | base (of a triangle); base line; hem line (of skirt) |
| 底层 | dǐ céng | ground or first floor; bottom (of a pile); lowest rung (of society) |
| 底子 | dǐ zi | base; foundation; bottom |
| 底座 | dǐ zuò | base; pedestal; foundation |
| 底盘 | dǐ pán | chassis |
| 底细 | dǐ xì | inside information; the ins and out of the matter; how things stand; what's up |
| 底夸克 | dǐ kuā kè | bottom quark (physics) |
| 底格里斯 | Dǐ gé lǐ sī | Tigris River, Iraq |
| 底格里斯河 | Dǐ gé lǐ sī hé | Tigris River, Iraq |
| 底栖有孔虫 | dǐ qī yǒu kǒng chóng | benthic foramanifera; seabed plankton |
| 底比斯 | Dǐ bǐ sī | Thebes, place name in ancient Egypt; Thebes, ancient Greek city state |
| 底气 | dǐ qì | lung power; stamina; confidence |
| 底汁 | dǐ zhī | stock (cooking); base (of sauce or gravy) |
| 底版 | dǐ bǎn | a photographic plate |
| 底特律 | Dǐ tè lǜ | Detroit, Michigan |
| 底界 | dǐ jiè | lower boundary |
| 底线 | dǐ xiàn | to underline; base line (in sports); fig. the legal limits; a spy (in enemy territory) |
| 底薪 | dǐ xīn | basic salary; base pay; salary floor |
| 底蕴 | dǐ yùn | inside information; concrete details |
| 底部 | dǐ bù | bottom |
| 底锡斯海 | Dǐ xī sī hǎi | Thetys (hypothetical ocean between Africa and Eurasia in geological history) |
| 底阀 | dǐ fá | bottom valve; foot valve |
| 底限 | dǐ xiàn | minimum |
| 底面 | dǐ miàn | bottom; bottom side; bottom surface |
