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| chim. | phosphorus |
| envir. | phosphorus |
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| agric. | staling |
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| 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 | |||
| phosphorus | |||
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fosfor : 28 phrases, 5 sujets |
| Chimie | 7 |
| Électronique | 7 |
| Environnement | 4 |
| Métallurgie | 7 |
| Sciences naturelles | 3 |