| 释义 |
white phosphorus
white phosphorusn. A highly unstable, waxy white or yellowish allotrope of phosphorus, P4, that spontaneously ignites upon exposure to oxygen, used especially in bombs and artillery shells as an incendiary agent or to produce a smokescreen.white phosphorus
white phosphorus[′wīt ′fä·sfə·rəs] (chemistry) The element phosphorus in its allotropic form, a soft, waxy, poisonous solid melting at 44.5°C; soluble in carbon disulfide, insoluble in water and alcohol; self-igniting in air. Also known as yellow phosphorus. White Phosphorus
A toxic allotrope of phosphorus that reacts spontaneously at room temperature with ambient O2, and is highly combustible, especially > 30ºC; the vapours are highly irritating to the eyes and respiratory tract and cause deep thermal burns at sites of skin contact; prolonged exposure is associated with facial bone necrosis, abdominal pain, jaundice, ‘garlic breath’, anaemia, cachexia, blepharospasm, photophobia |