spherometer

American  

[sfi-rom-i-ter] / sfɪˈrɒm ɪ tər /

noun

1. an instrument for measuring the curvature of spheres and curved surfaces.

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spherometer British  

/ sfɪəˈrɒmɪtə /

noun

1. an instrument for measuring the curvature of a surface

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Etymology

Origin of spherometer

1820–30; < French sphéromètre; see sphero-, -meter

Example Sentences

After a little practice it will be found possible to bring the glass exactly up to the required curvature as tested by template or spherometer.

From On Laboratory Arts by Threlfall, Richard

Here is a very fine spherometer that Dr. Hastings works with from time to time, and which he calls his standard spherometer.

From Scientific American Supplement, No. 484, April 11, 1885 by Various

Before the grade of emery is changed all three surfaces must agree, as nearly, at least, as the spherometer will show.

From On Laboratory Arts by Threlfall, Richard

The spherometer is accepted as the sole guide in obtaining the proper curvature.

From On Laboratory Arts by Threlfall, Richard

It is well to control this process by means of a spherometer, so that the desired radius may be approximately reached.

From On Laboratory Arts by Threlfall, Richard