† orthoscopen.

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

Etymology: < ortho- comb. form + -scope comb. form. N.E.D. (1903) gives the pronunciation as (ǭ·ɹþŏsko^up) /ˈɔːθəskəʊp/.

Obsolete. rare. Apparently only attested in dictionaries or glossaries.

1. Ophthalmology. An instrument for examining the iris, using a layer of water to eliminate the refraction of the cornea.

ΚΠ

1890 Cent. Dict. Orthoscope, an instrument for holding water around the eye, so that the refraction of the cornea is eliminated and the iris can be examined.

2. An instrument for drawing projections of the skull in craniometry.

ΚΠ

1890 Cent. Dict. Orthoscope,... In craniom., an instrument for drawing projections of skulls.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021).

单词	orthoscope
释义	† orthoscopen. Origin: Formed within English, by compounding. Etymons: ortho- comb. form, -scope comb. form. Etymology: < ortho- comb. form + -scope comb. form. N.E.D. (1903) gives the pronunciation as (ǭ·ɹþŏsko^up) /ˈɔːθəskəʊp/. Obsolete. rare. Apparently only attested in dictionaries or glossaries. 1. Ophthalmology. An instrument for examining the iris, using a layer of water to eliminate the refraction of the cornea. ΚΠ 1890 Cent. Dict. Orthoscope, an instrument for holding water around the eye, so that the refraction of the cornea is eliminated and the iris can be examined. 2. An instrument for drawing projections of the skull in craniometry. ΚΠ 1890 Cent. Dict. Orthoscope,... In craniom., an instrument for drawing projections of skulls. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021). < n.1890
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