dynametern.
/dʌɪˈnamᵻtə/, /dᵻˈnamᵻtə/, U.S. /daɪˈnæmədər/ An instrument for measuring the magnifying power of a telescope; = dynamometer n. 2.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] > power of telescopes
dynameter1828
dynamometer1832
1828 N. Webster Amer. Dict. Eng. Lang. (citing Ramsden).
1837 C. R. Goring & A. Pritchard Micrographia 67 View the image..formed in the visual pencil of an engiscope, with a dynameter of very delicate divisions.
1878 J. N. Lockyer Stargazing 116 The image can be measured with tolerable accuracy by Mr. Berthon's dynameter.
Derivatives
dynaˈmetric adj.
dynaˈmetrical adj. of or pertaining to a dynameter.
ΚΠ
1828 N. Webster Amer. Dict. Eng. Lang. Dynametrical.
This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).
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n.1828