surface plate

noun

Machinery. a flat plate used by machinists for testing surfaces that are to be made perfectly flat.
Also called planometer.

Origin of surface plate

First recorded in 1840–50

Words nearby surface plate

surface mail, surface noise, surface of light and shade, surface of projection, surface of revolution, surface plate, surface road, surface structure, surface tension, surface wave, surface-active

British Dictionary definitions for surface plate

surface plate

noun

another name for faceplate (def. 2)