| Subject | English | Italian |
| el. | weakly acidic | Leggermente acida |
| gen. | weakly adequate grammar | grammatica debolmente adeguata |
| el. | weakly basic | Leggermente basica |
| environ. | weakly degradable substance | sostanza poco degradabile |
| environ. | weakly degradable substance A substance that is not easily converted to another, usually less complex compound | sostanza poco degradabile |
| antenn., opt. | weakly guiding fibre | fibra debolmente guidante |