line spectrum Hear it!

line spectrum definition

line spectrum

  1. a spectrum that consists of narrow, brightly colored, parallel lines on a dark background, emitted by a low-pressurized glowing gas
  2. a spectrum that consists of narrow, dark, parallel lines on a brightly colored background, produced from a hot light source that is surrounded by cooler gases that absorb and thus remove certain wavelengths

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.