| zǐ | son/child/seed/egg/small thing/1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December to 5th January), year of the Rat/Viscount, fourth of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] |
| zi | (noun suffix) |
| 子 | son child seed |
| 子丑 | first two of the twelve earthly branches 十二地支 by ext., the earthly branches |
| 子丑寅卯 | in an orderly way; systematically |
| 子书 | philosophical works; one of the four traditional divisions of a Chinese library |
| 子产 | Zi Chan (?-522 BC), statesman and philosopher during the Spring and Autumn period |
| 子京 | see 紫荆 |
| 子代 | offspring child's generation |
| 子体产物 | daughter product; decay product |
| 子侄 | sons and nephews generally |
| 子信道 | a subchannel |
| 子元素 | daughter element |
| 子公司 | subsidiary company subsidiary corporation |
| 子兽 | Obsolete variant of 仔兽. |
| 子午仪 | transit circle; meridian transit; astronomical transit |
| 子午卯酉 | from midnight to noon and from sunrise to sunset; from beginning to end; from start to finish; reason; argument; result; achievement |
| 子午线 | meridian |
| 子午线的 | meridional; meridianal; meridian |
| 子午线轮胎 | radial; radial ply tire |
| 子午莲 | a water lily |
| 子口 | rim of the mouth |