Толковый словарь английского языка Oxford English Reference - normal

adj. & n. --adj. 1 conforming to a standard; regular, usual, typical. 2 free from mental or emotional disorder. 3 Geom. (of a line) at right angles, perpendicular. 4 Chem. (of a solution) containing one gram-equivalent of solute per litre. --n. 1 a the normal value of a temperature etc., esp. blood-heat. b the usual state, level, etc. 2 Geom. a line at right angles. Phrases and idioms normal distribution Statistics a function that represents the distribution of many random variables as a symmetrical bell-shaped graph. normal school (in the US, France, etc.) a school or college for training teachers. Derivatives normalcy n. esp. US. normality n. Etymology: F normal or L normalis (as NORM) NORMALIZE v. (also -ise) 1 tr. make normal. 2 intr. become normal. 3 tr. cause to conform. Derivatives normalization n. normalizer n.