camera lucida

[loo-si-duh]
noun
  1. an optical instrument, often attached to the eyepiece of a microscope, by which the image of an external object is projected on a sheet of paper or the like for tracing.

Origin of camera lucida

1660–70; < New Latin: bright chamber; see camera1, lucid
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British Dictionary definitions for camera lucida

camera lucida

noun
  1. an instrument attached to a microscope, etc to enable an observer to view simultaneously the image and a drawing surface to facilitate the sketching of the image

Word Origin for camera lucida

New Latin: light chamber
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012