See Also: Kingston valve(dictionary)
Critical Air Medicine(tourism)
Critical Air Medicine flights(tourism)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Pulmonic Valve (also called pulmonary valve)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
KINGSTON(tourism)
Critical(medicine)
critical pH(medicine)
Kingston(encyclopedia)

critical pH (medicine) and Kingston valve (iou)


critical pH (medicine)


critical pH


The pH range, about 5.5, at which saliva ceases to be saturated with respect to calcium and phosphate, and below which tooth mineral will dissolve.


Kingston valve (iou)



Kingston valve noun phr. M19.
[John Kingston, 19th-cent. Brit. dockyard foreman, its inventor.]
Nautical. A kind of conical valve for closing an orifice in a ship's side below the water-line, opening outwards with a screwing action.