Definition of "sideband" []

• Either of the two bands of frequencies, one just above and one just below a carrier frequency, that result from modulation of a carrier wave. (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.

• "There is a pilot tone at 38.75 Khz that must be multiplied by 8, reinserted into the carrier, where it recovers the other sideband."
• "In the air the sideband voices of amateur radio operators is a fluttering electronic chorus."
• "The real link between your deck and Straylight is a sideband broadcast over Garvey's navigation system."