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 (plə-nĭm′ĭ-tər, plā-)
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.
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.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pləˈnɪm ɪ tər)

an instrument for measuring the area of plane figures.
pla•ni•met•ric (ˌpleɪ nəˈmɛt rɪc) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.planimeter - a measuring instrument for measuring the area of an irregular plane figureplanimeter - a measuring instrument for measuring the area of an irregular plane figure
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
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References in periodicals archive ?
Labial area measurements were also made from cephalometric charts using a digital planimeter (Ushikata X-PLAN380 dll/460 dll, Tokyo, Japan).
Rib eye muscle area was traced by dissecting the carcass between 12th and 13th rib, and the average of the right and the left side measurement was taken as value for rib eye area which was measured using a planimeter.
For this, Zellweger applied the principles of the planimeter, used by architects to calculate floorplan dimensions, to work out the space between deflection lines.
Still at 21 DAT, plants were collected to determine leaf area (LA) using a planimeter and leaf fresh phytomass (LFP), by weighing on analytical scale.
Meat and total fluid areas were measured with a Planix 7 digital planimeter (Tamaya Technics Inc., Japan) [18].
Eddy used a simple mechanical planimeter to measure the boundaries and enclosed areas of the ranges, and performed elegantly simple analyses of these and associated data.
Using a planimeter, Murray measured the area within each of the five rainfall depth categories on his map, and from this he estimated the total precipitation falling annually on the terrestrial regions of Earth.
Determination of the number of leaves and leaf area: At the end of the drought experiment, the number of leaves was counted and the leaf areas were determined as cm2 with a planimeter in all bean genotypes.
Immediately after collection, plants were taken to the laboratory where the siliques were separated from stems, to determine the area of siliques and stems, through an optical planimeter model LI 3000 (LI-COR, Lincoln, USA).