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

The glass is ground with emery to the correct spherical figure as given by a 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

The squares of glass are cemented to the roughing tool, and this is ground to the spherometer by means of the counterpart tool.

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