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| phosphor | |||
| phosphorus (phosphorus) | |||
| phosphorus | |||
| phosphorus A nonmetallic element used to manufacture phosphoric acid, in phosphor bronzes, incendiaries, pyrotechnics, matches, and rat poisons; the white or yellow allotrope is a soft waxy solid, soluble in carbon disulfide, insoluble in water and alcohol, and is poisonous and self-igniting in air; the red allotrope is an amorphous powder, insoluble in all solvents and is nonpoisonous; the black allotrope comprises lustrous crystals similar to graphite, and is insoluble in most solvents | |||
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fosforas : 18 צירופים, 7 נושאים |
| בריאות | 2 |
| חַקלָאוּת | 3 |
| טכנולוגית מידע | 1 |
| כִּימִיָה | 7 |
| מדעי החיים | 2 |
| תעשיית האנרגיה | 1 |
| תעשיית המזון | 2 |