Planimeter

A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape. ==Construction== There are several kinds of planimeters, but all operate in a similar way. The precise way in which they are constructed varies, with the main types of mechanical planimeter being polar, linear and P...
Found on http://en.wikipedia.org/wiki/Planimeter

Planimeter

• (n.) An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.
Found on http://thinkexist.com/dictionary/meaning/planimeter/

Planimeter

Pla·nim'e·ter noun [ Plani- + -meter . Confer Planometer .] An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.
Found on http://www.encyclo.co.uk/webster/P/100

Planimeter

A Planimeter is a simple integrating instrument for measuring the area of a regular or irregular plane surface. It consists of two hinged arms: one is kept fixed and the other is traced around the boundary of the area. This actuates a small graduated wheel; the area is calculated from the wheel' s change in position.
Found on http://www.probertencyclopaedia.com/browse/AP.HTM

planimeter

An instrument formed of jointed levers with a recording index, used for measuring the area of any surface, by tracing its boundaries. ... Origin: L. Planum, plane, + G. Metron, measure ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

planimeter

instrument for measuring area of plane figures
Found on http://phrontistery.info/p.html

planimeter

mathematical instrument for directly measuring the area bounded by an irregular curve, and hence the value of a definite integral.[1 related articles]
Found on http://www.britannica.com/eb/a-z/p/76

planimeter

Type: Term Pronunciation: plă-nim′ĕ-tĕr Definitions: 1. An instrument formed of jointed levers with a recording index, used for measuring the area of any surface, by tracing its boundaries.
Found on http://www.medilexicon.com/medicaldictionary.php?t=69357
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