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mi·cro·scope 
Audio Help [mahy-kruh-skohp] Pronunciation Key
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. |
| Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006. |
microscope
To learn more about microscope visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
| mi·cro·scope
Audio Help (mī'krə-skōp') Pronunciation Key
n.
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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. |
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 |
| 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. |
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.
See also: microscopicExample: Germs are very small, and can only be seen with the aid of a microscope.
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| Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd. |
| 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. |
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. |
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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