spherometer

[ sfi-rom-i-ter ]

noun

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

spherometer

/ sfɪəˈrɒmɪtə /

noun

1. an instrument for measuring the curvature of a surface

Word History and Origins

Origin of spherometer¹

1820–30; < French sphéromètre; 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 Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

A check by spherometer will be applied at intervals according to the judgment of the operator, but, in any case, the fellow tool and lens should be kept at very nearly the same figure.

From Project Gutenberg