| lù | to strain/to filter |
| 滤 | to strain to filter |
| 滤光器 | light filter; filter; filter skin; glass filter; ray filter; spectral filter; optical filter; color absorber |
| 滤光片 | spectral filter; ray filter; optical filter; filter; light filter; color absorber; filter plate |
| 滤光镜 | an attachment lens |
| 滤出 | to filter out |
| 滤器 | filter strainer |
| 滤尘器 | dust filter |
| 滤尘网 | an air filter |
| 滤层 | filtering layer; filtering mat; filter layer; filter bed; pervious shell |
| 滤床 | filtering bed; filter bed |
| 滤斗 | a strainer |
| 滤毒罐 | canister; cannister; filter |
| 滤毒通风装置 | filtration equipment |
| 滤水池 | filter bed; desilter |
| 滤油器 | purolator; fuel strainer; oil purifier; oil filter; fuel filter; oil cleaner; oil strainer |
| 滤泡 | follicle; folliculus; ovisac; lliculus |
| 滤波 | filtering radio waves (i.e. to pick out one frequency) |
| 滤波器 | filter |
| 滤液 | filtrate |
| 滤清 | to filter and purify |