planometry

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.
References in periodicals archive ?
He instructed "in Latin, Greek, Hebrew, the Grecian and Roman Histories and Antiquities...reading, writing, arithmetic- vulgar, decimal, and duodecimal-geometry, planometry, trigonometry, surveying, gauging, Italian bookkeeping, navigation and the proportions of the horizontal dials."
1765-1769: Sports; social issues and crime; folkways; fashion; holidays
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