n. 放大率计

[医] 肌力计, 量力器

Dynameter \Dy*nam"e*ter\, n. [Gr. ? power + -meter: cf. F.
dynam[`e]tre. Cf. {Dynamometer}.]
1. A dynamometer.

2. (Opt.) 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.