- an instrument for measuring the curvature of spheres and curved surfaces.
Origin of spherometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for spherometer
The spherometer is accepted as the sole guide in obtaining the proper curvature.
The glass is ground with emery to the correct spherical figure as given by a spherometer.
It is well to control this process by means of a spherometer, so that the desired radius may be approximately reached.
Before the grade of emery is changed all three surfaces must agree, as nearly, at least, as the spherometer will show.
The squares of glass are cemented to the roughing tool, and this is ground to the spherometer by means of the counterpart tool.
- an instrument for measuring the curvature of a surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012