from The Century Dictionary.

  • noun In optics, a lens plane on one side and convex on the other, but having the convex side formed of several plane surfaces or facets, so that an object seen through it appears multiplied—.
  • noun In surgery, an instrument for illuminating the cavities of the body by means of an electric light.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Opt.) A glass which makes a single object appear as many; a multiplying glass.
  • noun (Med.) An apparatus for affording a view of the different cavities of the body.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A lens that has multiple facets and forms multiple images
  • noun obsolete, medicine A device for viewing the cavities of the body


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.