| Subject | Norwegian Bokmål | English |
| environ. | diffus forurensning | diffuse pollution Pollution from widespread activities with no one discrete source, e.g. acid rain, pesticides, urban run-off etc. |
| light. | diffus himmelstråling | diffuse sky radiation |
| environ. | diffus kilde | diffuse source Pollution which arises from various activities with no discrete source |
| light. | diffus refleksjon | diffuse reflection |
| light. | diffus refleksjonsfaktor | diffuse reflectance |
| light. | diffus reflektans | diffuse reflectance |
| light. | diffus transmisjon | diffuse transmission |
| light. | diffus transmisjonsfaktor | diffuse transmittance |
| light. | diffus transmittans | diffuse transmittance |
| light. | generell diffus belysning | general diffused lighting |
| light. | isotropisk diffus refleksjon | isotropic diffuse reflection |
| light. | isotropisk diffus transmisjon | isotropic diffuse transmission |