planimeter
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pla·nim·e·ter
(plə-nĭm′ĭ-tər, plā-)n.
An instrument that measures the area of a plane figure as a mechanically coupled pointer traverses the perimeter of the figure.
pla′ni·met′ric (plā′nə-mĕt′rĭk), pla′ni·met′ri·cal (-rĭ-kəl) adj.
pla·nim′e·try n.
planimeter
(plæˈnɪmɪtə)n
(Mathematics) a mechanical integrating instrument for measuring the area of an irregular plane figure, such as the area under a curve, by moving a point attached to an arm around the perimeter of the figure
pla•nim•e•ter
(pləˈnɪm ɪ tər)n.
an instrument for measuring the area of plane figures.
[1855–60]
pla•ni•met•ric (ˌpleɪ nəˈmɛt rɪc) adj.
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Noun | 1. | ![]() measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something |
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