Definition of "white noise" [white noise]

• Acoustical or electrical noise of which the intensity is the same at all frequencies within a given band. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Much of the earlier research on violent video games involved artificial situations, such as having college sophomores play a new game for a few minutes in a research laboratory, or measuring fraction-of-a-second differences in how long someone blasts an air horn or triggers white noise from a computer a surrogate, the researchers claim, for aggression or for violent behavior after playing a violent game."