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planimeter

[ pluh-nim-i-ter ]

noun

  1. an instrument for measuring mechanically the area of plane figures.


planimeter

/ plæˈnɪmɪtə /

noun

  1. 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


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Word History and Origins

Origin of planimeter1

First recorded in 1855–60; plani- + -meter

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Example Sentences

Measuring the card with a planimeter shows the mean effective pressure to be 48.2 pounds.

The planimeter is an instrument for measuring areas in general, and especially for measuring the areas of indicator cards.

At least two such readings were taken for each home range; then these planimeter values were converted into square feet.

If he has no planimeter, a delicate balance will serve just as well.

The construction of a second funicular may be dispensed with by the employment of a planimeter, as follows.

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