from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The spectrum of bright lines, bands, or continuous radiation characteristic of and determined by a specific emitting substance subjected to a specific kind of excitation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun spectrum of electromagnetic radiation emitted by a self-luminous source
Sorry, no etymologies found.
Sorry, no example sentences found.