单词 | megaloscope |
释义 | megaloscopen. Now historical. Any of several magnifying instruments: †(a) a hand lens for examining small objects (obsolete); †(b) a magnifying endoscope (obsolete rare); (c) a microscope adapted for examining relatively large objects at low magnification (now historical).Sense (b) is apparently only attested in dictionaries or glossaries. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > magnifying glass > types of reading glass1668 megaloscopec1775 hand lens1839 watch-maker's glass1875 waling glass1880 loupe1909 texture-counter1909 c1775 B. Martin Descr. New Universal Miscroscope 14 Thereby the largest Microscopic Objects may be viewed, and the Instrument, in this case, becomes a Megalascope. ?1790 J. Imison School of Arts (ed. 2) 227 This is an optical instrument that may be properly called a megalascope for the hand; because it is adapted for viewing all the larger sort of small objects. 1815 J. Smith Panorama Sci. & Art I. 476 (heading) The hand megalscope. 1902 Webster's Internat. Dict. Eng. Lang. Suppl. Megaloscope, an endoscope fitted with a magnifying apparatus. 1967 S. Bradbury Evol. of Microscope v. 159 This instrument..fitted with an additional lens designed to enable it to be used for the study of large objects..was termed the ‘megaloscope’ by [Benjamin] Martin, and represented the highest development of the solar. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.c1775 |
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