DYNAMETER

Noun

dynameter (plural dynameters)

An instrument used to measure the magnification of a telescope.

Source: Wiktionary


Dy*nam"e*ter, n. Etym: [Gr. -meter: cf. F. dynamètre. Cf. Dynamometer.]

1. A dynamometer.

2. (Opt.)

Definition: An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

28 December 2024

ACERVULUS

(noun) small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi


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