See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
phosphorus(dictionary)
phosphorus(dictionary)
phosphorus(encyclopedia)
Phosphorus(medicine)
phosphorus-32(medicine)
phosphorus-33(medicine)
phosphorus acids(medicine)
phosphorus isotopes(medicine)
amorphous phosphorus(medicine)

ultraviolet therapy (medicine) and phosphorus (iou)


ultraviolet therapy (medicine)


ultraviolet therapy


The use of ultraviolet electromagnetic radiation in the treatment of disease, usually of the skin. This is the part of the sun's spectrum that causes sunburn and tanning. Ultraviolet a, used in puva, is closer to visible light and less damaging than ultraviolet b, which is ionizing.


phosphorus (iou)



phosphorus noun. , -ruses. E17.
[Latin from Greek phosphoros light-bringing, from phos light + -phoros -PHORE.]
(Phosphorus.) = LUCIFER 1. Now rare. E17.
Any substance or organism that emits light (naturally, or when heated etc.); esp. a phosphorescent substance. Now rare. E17.
A non-metallic allotropic chemical element, atomic no. 15, which is widespread in living organisms and minerals (chiefly in phosphates) and in its commonest form is a waxy whitish solid which undergoes spontaneous oxidation (with chemiluminescence) or ignition in air. (Symbol P.) L17.
red phosphorus: see RED adjective. white phosphorus: see WHITE adjective. yellow phosphorus: see YELLOW adjective.
Comb.: phosphorus box a box of matches tipped with potassium chlorate and phosphorus; phosphorus necrosis necrosis of the jaw caused by exposure to the fumes of phosphorus.