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magnesium

(Encyclopedia)magnesium măgnēˈzēəm, –zhəm [key], metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.3050; m.p. about 648.8℃; b.p. about 1,090℃; sp. gr. 1.738 at 20℃; valence +2. In 1808, Sir...

cystic fibrosis

(Encyclopedia)cystic fibrosis sĭsˈtĭk fībrōˈsĭs [key], inherited disorder of the exocrine glands (see gland), affecting children and young people; median survival is 25 years in females and 30 years in males...

refrigeration

(Encyclopedia)CE5 Compression system of refrigeration refrigeration, process for drawing heat from substances to lower their temperature, often for purposes of preservation. Refrigeration in its modern, portabl...

hypo

(Encyclopedia)hypo: see sodium thiosulfate.

soda

(Encyclopedia)soda: see sodium carbonate.

thenardite

(Encyclopedia)thenardite: see sodium sulfate.

Chile saltpeter

(Encyclopedia)Chile saltpeter: see sodium nitrate. ...

soda ash

(Encyclopedia)soda ash: see sodium carbonate.

soda niter

(Encyclopedia)soda niter: see sodium nitrate.

baking soda

(Encyclopedia)baking soda: see sodium bicarbonate. ...