from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects, especially of objects too small to be seen by the unaided eye.
  • n. An instrument, such as an electron microscope, that uses electronic or other processes to magnify objects.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An optical instrument used for observing small objects.
  • n. Any instrument for imaging very small objects (such as an electron microscope).

from the GNU version of the Collaborative International Dictionary of English

  • adj.
  • n. An optical instrument, consisting of a lens, or combination of lenses, for making an enlarged image of an object which is too minute to be viewed by the naked eye.

from The Century Dictionary and Cyclopedia

  • To enlarge with or as with a microscope; examine very minutely as with a microscope: as, to microscope one's faults.
  • n. An optical instrument consisting of a lens or combination of lenses (in some cases mirrors also) which magnifies and thus renders visible minute objects that cannot be seen by the naked eye, or enlarges the apparent magnitude of small visible bodies, so as to render possible the examination of their texture or structure.
  • n. [capitalized] A constellation. See Microscopium.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. magnifier of the image of small objects


from Wiktionary, Creative Commons Attribution/Share-Alike License

From New Latin microscopium, from Ancient Greek μικρός ("small") + σκοπέω ("I look at").



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