| Subject | English | Italian |
| energ.ind. | energy source material | fonte energetica |
| environ. | energy source material | sorgente di energia |
| environ. | energy source material Sources from which energy can be obtained to provide heat, light, and power. Energy resources, including fossil and nuclear fuels as well as solar, water, tidal and geothermal energy, may be captured or recovered and converted into other energy forms for a variety of household, commercial, transportation, and industrial applications | sorgente di energia |
| energ.ind. | energy source material | fonte di energia |
| gen. | source material | materia grezza |
| industr. | source material | materiale di partenza |
| industr. | source material | materiale fonte |
| gen. | source material | materiale-fonte |
| gen. | source material | materia di base |
| life.sc. | source of clastic material | sorgente di materiale clastico |
| agric. | source-identified reproductive material | materiale di moltiplicazione identificato |