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单词 episcope
释义

episcopen.

Brit. /ˈɛpɪskəʊp/, U.S. /ˈɛpəˌskoʊp/
Etymology: < epi- prefix + -scope comb. form.
A magic lantern for projecting images of opaque objects.
ΘΚΠ
the world > matter > light > artificial light > an artificial light > [noun] > lamp > lantern > magic lantern > types of
lucernal microscope1743
megascope1831
oxyhydrogen microscope1839
physioscope1844
aphengescope1869
sciopticon1870
stereopticon1875
anarithmoscope1882
tri-unial1891
triple1892
episcope1909
1909 in Cent. Dict. Suppl.
1922 Nature 12 Jan. 56/1 The episcope, shown by Newton and Co., is a marked improvement on forms previously seen, and should come into more general use for the projection on screens of opaque objects.
1937 Nature 27 Feb. 380/2 A classroom epidiascope..has a 500-watt lamp, and the change-over from episcope to diascope is instantaneous.

Derivatives

episcopic adj. /-ˈskɒpɪk/ (see quot. 1911).
ΚΠ
1911 Encycl. Brit. XVI. 186/1 If the light traverses the object, the projection is said to be diascopic, if by reflected light, episcopic.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).
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n.1909
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