planometer


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pla·nom·e·ter

 (plə-nŏm′ĭ-tər, plā-)
n.
A flat metal plate for gauging the accuracy of a plane surface in precision metalworking. Also called surface plate.

pla·nom′e·try n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

planometer

(plæˈnɒmɪtə)
n
(Metallurgy) a flat metal plate used for directly testing the flatness of metal surfaces in accurate metalwork
planometric adj
ˌplanoˈmetrically adv
plaˈnometry n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

planometer

a device for measuring the flatness of a machined surface. Also called surface plate.
See also: Instruments
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
"I was the first to work it out, using a planometer, a clever little gadget invented by the Victorians but its not entirely accurate so you have to do everything about three time then use the average it to get nearest measurement possible."