| 余热 | yú rè | residual heat; surplus heat; fig. old people's capacity for work |
| 余烬 | yú jìn | ember |
| 余留 | yú liú | remainder; fractional part (after the decimal point); unfinished |
| 余留事务 | yú liú shì wù | unfinished business |
| 余留无符号数 | yú liú wú fú hào shù | unsigned remainder (i.e. the remainder after rounding to the nearest integer) |
| 余皇 | yú huáng | large warship; name of warship of Wu kingdom during Spring and Autumn period |
| 余码 | yú mǎ | excess code (i.e. the unused bits in binary-coded decimal) |
| 余绪 | yú xù | vestigial residue; a throwback (to a former age) |
| 余者 | yú zhě | the remaining people |
| 余辉 | yú huī | twilight; afterglow |
| 余量 | yú liàng | remnant; leftover; tolerance (i.e. allowed error) |
| 余钱 | yú qián | surplus money |
| 余集 | yú jí | complement of a set S (math.); the set of all x not in set S |
| 余震 | yú zhèn | earthquake aftershock |
| 余音绕梁 | yú yīn rào liáng | reverberates around the rafters (idiom); fig. sonorous and resounding (esp. of singing voice) |
| 余响绕梁 | yú xiǎng rào liáng | reverberates around the rafters (idiom); fig. sonorous and resounding (esp. of singing voice) |
| 余项 | yú xiàng | remainder term (math); remainder; residue |
