a large crater in the SW quadrant of the moon, about 227 kilometres (141 miles) in diameter
noun, Medicine/Medical. 1. a diphtheria immunity test in which diphtheria toxoid is injected intracutaneously, nonimmunity being indicated by an inflammation at the injection site. noun 1. (med) a skin test to determine immunity to diphtheria: a dilute diphtheria toxin is injected into the skin; within two or three days a red inflamed area will develop […]
- Schick test toxin
Schick test toxin n. The inoculated dose of the toxin produced by Corynebacterium diptheriae and used in the Schick test. Also called diagnostic diphtheria toxin.
noun 1. a city in SW Netherlands. noun 1. a port in the SW Netherlands, in South Holland province west of Rotterdam: gin distilleries. Pop: 76 000 (2003 est)
noun 1. Egon [ey-gawn] /ˈeɪ gɔn/ (Show IPA), 1890–1918, Austrian expressionist painter. noun 1. Egon (ˈeːɡɔn). 1890–1918, Austrian painter and draughtsman: a leading exponent of Austrian expressionism