Meaning of SCALE in English
( n. )
Relative dimensions, without difference in proportion of parts; size or degree of the parts or components in any complex thing, compared with other like things; especially, the relative proportion of the linear dimensions of the parts of a drawing, map, model, etc., to the dimensions of the corresponding parts of the object that is represented; as, a map on a scale of an inch to a mile.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012