planometer

[pluh-nom-i-ter]

noun

Machinery.

1. surface plate.

planometer

/ plæˈnɒmɪtə, ˌpleɪnəˈmɛtrɪk /

noun

1. a flat metal plate used for directly testing the flatness of metal surfaces in accurate metalwork

Other Word Forms

• planometrically adverb
• planometric adjective
• planometry noun

Word History and Origins

Origin of planometer¹

An Americanism dating back to 1860–65; plano- ¹ + -meter

Example Sentences

For testing the truth of flat or plane surfaces the machinist employs the surface plate or planometer.

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