laser Hear it!

laser definition

☆ la·ser (lā′zər)

noun

a device containing a substance the majority of whose atoms or molecules can be put into an excited energy state, allowing the substance to emit coherent light of a precise wavelength in an intense, narrow beam

Etymology: l(ight) a(mplification by) s(timulated) e(mission of) r(adiation)

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical laser definition - medical

telecom laser definition - telecom

laser Usage Examples

Converse of object

  • engrave: The mark is laser engraved at 1200 dpi resolution which also ensures it looks great!

Adjective modifier

  • confocal: The Center for Biophotonics houses state-of-the-art confocal, multiphoton laser scanning and epifluorescence microscopes along with the latest image analysis software.

Modifies a noun

  • printer: Brother's latest color laser printer is aimed at smaller networks.

Noun used with modifier

  • semiconductor: Heptagon has also produced a device that uses a semiconductor laser to project a ' virtual keyboard ' on to a surface.
laser usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"laser." Webster's New World College Dictionary. 2009

  • Your Dictionary. 4 July 2009
  • <www.yourdictionary.com/laser>

APA Style

laser. (2009). In Webster's New World College Dictionary

  • Retrieved July 4th, 2009, from www.yourdictionary.com/laser

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