| miǎo | second (of time)/unit of angle or arc equivalent to one sixtieth of a degree |
| 秒 | second (of time) unit of angle or arc equivalent to one sixtieth of a degree |
| 秒差距 | parallax second or parsec or pc, astronomic unit of distance, approx 3.26 light years |
| 秒立方米 | cubic metres per second |
| 秒表 | stopwatch |
| 秒针 | second hand (of a clock) |
| 秒钟 | (time) second |