an instrument for determining the magnifying power of telescopes.
Origin of dynameter
First recorded in 1820–30; dyna-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for dynameter
Historical Examples of dynameter
Dynameter, dī-nam′e-tėr, n. an instrument for measuring the magnifying power of a telescope.
The ratio of the diameter of the object glass to that of the image as seen in the dynameter gives the power of the instrument.
The end of the dynameter next to the eyepiece of the instrument is ruled with a series of lines one-hundredth of an inch apart.
British Dictionary definitions for dynameter
an instrument for determining the magnifying power of telescopes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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