• synonyms


noun Machinery.
  1. surface plate.
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Origin of planometer

An Americanism dating back to 1860–65; plano-1 + -meter
Related formspla·nom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for planometer

Historical Examples of planometer

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

    Modern Machine-Shop Practice, Volumes I and II

    Joshua Rose

British Dictionary definitions for planometer


  1. a flat metal plate used for directly testing the flatness of metal surfaces in accurate metalwork
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Derived Formsplanometric (ˌpleɪnəˈmɛtrɪk), adjectiveplanometrically, adverbplanometry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012