Normal

Normal

Adjective & noun · /ˈnɔːm(ə)l/ · conforming to a standard

Definition

Conforming to a standard; usual, typical, or expected. As a noun: the usual or expected state or condition. In mathematics: perpendicular to a surface or line.

Origin

Early 17th century. From Latin normalis — made according to a carpenter's square (norma). Originally a technical term in geometry meaning perpendicular; the sense of 'typical' developed by the 19th century.