dynameter

[ dahy-nam-i-ter ]

noun

, Optics.

1. an instrument for determining the magnifying power of telescopes.

dynameter

/ daɪˈnæmɪtə /

noun

1. an instrument for determining the magnifying power of telescopes

Word History and Origins

Origin of dynameter¹

First recorded in 1820–30; dyna- + -meter

Example Sentences

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.

From Project Gutenberg

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.

From Project Gutenberg

Dynameter, dī-nam′e-tėr, n. an instrument for measuring the magnifying power of a telescope.

From Project Gutenberg