Meaning of NORMAL in English

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)

Oxford English vocab.      Оксфордский английский словарь.