Definition of "rock music" []

• Rock 'n' roll. (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.

• "After almost forty years of preaching about demons, teaching about demons, finding the spiritual foot­prints of demons in everything from rock music to FCC legislation, warning against demons being in the schools and kids 'games and in the symbols on breakfast cereal boxes, and generally making a fair-sized fortune by being one of the nation's foremost experts on demons, Brother Freddy found it a bit disconcerting to be sitting three feet from someone who might very well be possessed by a de­mon if not actually be one."
• "Researchers at the University of Tennessee exposed guinea pigs to rock music over a period of three months at intervals designed to resemble what "the average discotheque goer" heard and found evidence of cell destruction in the cochlea, the part of the ear that trans - mits sound waves into nerve impulses."
• "Stuff’s flying all over the place in my cab as the rock music on the stereo eggs me on."