megascopen.

Brit.

/ˈmɛɡəskəʊp/, U.S.

/ˈmɛɡəˌskoʊp/

Origin: Formed within English, by compounding. Etymons: mega- comb. form, -scope comb. form.

Etymology: < mega- comb. form + -scope comb. form. Compare French mégascope (1700). Compare earlier microscope n., megaloscope n.

Now historical.

A form of camera obscura or magic lantern which casts a magnified reflected image of a small opaque object on to a screen. Cf. epidiascope n.

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

1831 D. Brewster Treat. Optics xl. §192 A modification of the camera obscura called the megascope is intended for taking magnified drawings of small objects placed near the lens.

a1877 E. H. Knight Pract. Dict. Mech. II. 1419/1 Megascope, a solar microscope in which the objects are opaque and illuminated in front by reflecting mirrors.

1893 Brit. Jrnl. Photogr. 40 798 Pictures projected upon the screen by means of the megascope or aphengescope lantern.

1899 Science 7 Apr. 519/2 The instrument used is a megascope made by Fuess.

1909 Cent. Dict. Suppl. at Lantern Various devices for the projection of opaque objects have been employed, and reflecting lanterns are known under various names, such as the megascope, an early form, the reflectoscope, and the epidiascope.

This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	megascope
释义	megascopen. Brit. /ˈmɛɡəskəʊp/, U.S. /ˈmɛɡəˌskoʊp/ Origin: Formed within English, by compounding. Etymons: mega- comb. form, -scope comb. form. Etymology: < mega- comb. form + -scope comb. form. Compare French mégascope (1700). Compare earlier microscope n., megaloscope n. Now historical. A form of camera obscura or magic lantern which casts a magnified reflected image of a small opaque object on to a screen. Cf. epidiascope n. 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 1831 D. Brewster Treat. Optics xl. §192 A modification of the camera obscura called the megascope is intended for taking magnified drawings of small objects placed near the lens. a1877 E. H. Knight Pract. Dict. Mech. II. 1419/1 Megascope, a solar microscope in which the objects are opaque and illuminated in front by reflecting mirrors. 1893 Brit. Jrnl. Photogr. 40 798 Pictures projected upon the screen by means of the megascope or aphengescope lantern. 1899 Science 7 Apr. 519/2 The instrument used is a megascope made by Fuess. 1909 Cent. Dict. Suppl. at Lantern Various devices for the projection of opaque objects have been employed, and reflecting lanterns are known under various names, such as the megascope, an early form, the reflectoscope, and the epidiascope. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1831
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