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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
mi·cro·scope    Audio Help   [mahy-kruh-skohp] Pronunciation Key
–noun
1.an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye.
2.(initial capital letter) Astronomy. the constellation Microscopium.

[Origin: 1650–60; < NL mīcroscopium. See micro-, -scope]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Encyclopædia Britannica, Inc.
microscope

To learn more about microscope visit Britannica.com

© 2008 Encyclopædia Britannica, Inc.
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American Heritage Dictionary - Cite This Source - Share This
mi·cro·scope    Audio Help   (mī'krə-skōp')  Pronunciation Key 
n.  
  1. 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.
  2. An instrument, such as an electron microscope, that uses electronic or other processes to magnify objects.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
microscope 
1656, from Mod.L. microscopium, lit. "an instrument for viewing what is small," from Gk. micro- (q.v.) + -skopion. "means of viewing," from skopein "look at." Microscopic "of minute size" is attested from 1760s.

Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
microscope

noun
magnifier of the image of small objects; "the invention of the microscope led to the discovery of the cell" 

WordNet® 3.0, © 2006 by Princeton University.
Kernerman English Multilingual Dictionary - Cite This Source - Share This
microscope [ˈmaikrəskəup] noun
an instrument which makes very small objects able to be seen magnifying them greatly
Example: Germs are very small, and can only be seen with the aid of a microscope.
Arabic: مِكروسكوب: مِجْهَر
Chinese (Simplified): 显微镜
Chinese (Traditional): 顯微鏡
Czech: mikroskop
Danish: mikroskop
Dutch: microscoop
Estonian: mikroskoop
Finnish: mikroskooppi
French: microscope
German: das Mikroskop
Greek: μικροσκόπιο
Hungarian: mikroszkóp
Icelandic: smásjá
Indonesian: mikroskop
Italian: microscopio
Japanese: 顕微鏡
Korean: 현미경
Latvian: mikroskops
Lithuanian: mikroskopas
Norwegian: mikroskop
Polish: mikroskop
Portuguese (Brazil): microscópio
Portuguese (Portugal): microscópio
Romanian: microscop
Russian: микроскоп
Slovak: mikroskop
Slovenian: mikroskop
Spanish: microscopio
Swedish: mikroskop
Turkish: mikroskop
See also: microscopic

Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd.
The American Heritage Science Dictionary - Cite This Source - Share This
microscope    Audio Help   (mī'krə-skōp')  Pronunciation Key 
Any of various instruments used to magnify small objects that are difficult or impossible to observe the naked eye. ◇ Optical microscopes use light reflected from or passed through the sample being observed to form a magnified image of the object, refracting the light with an arrangement of lenses and mirrors similar to those found in telescopes. See also atomic force microscope, electron microscope, field ion microscope.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
microscope

A device that produces a magnified image of objects too small to be seen with the naked eye. Such objects are thus called “microscopic.” The microscope is widely used in medicine and biology. Common microscopes use lenses; others, such as electron microscopes, scan an object with electrons, x-rays, and other radiation besides ordinary visible light.


[Chapter:] Technology


The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

microscope

Ach`ro*mat"ic\, a. [Gr. ? colorless; 'a priv. + ?, ?, color: cf. F. achromatique.]

1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors.

2. (Biol.) Uncolored; not absorbing color from a fluid; -- said of tissue.

Achromatic lens (Opt.), a lens composed usually of two separate lenses, a convex and concave, of substances having different refractive and dispersive powers, as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed.

Achromatic prism. See Prism.

Achromatic telescope, or microscope, one in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass, and which gives images free from extraneous color.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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