| Subject | English | Maltese |
| environ. | diffuse emissions | emissjonijiet diffużi |
| environ. | diffuse pollution Pollution from widespread activities with no one discrete source, e.g. acid rain, pesticides, urban run-off etc. | tniġġis diffuż |
| earth.sc. | diffuse radiation | radjazzjoni diffuża |
| earth.sc. | diffuse reflectance | riflettanza diffuża |
| IT | diffuse reflection | rifless diffuż |
| earth.sc. | diffuse solar radiation | radjazzjoni diffuża |
| environ. | diffuse source Pollution which arises from various activities with no discrete source | sors diffuż |
| chem. | diffuse use | użu dispersiv |
| transp. | diffusing lens | lenti ta' diffużjoni |
| transp., tech., law | diffusing medium | aġent għad-diffużjoni |