Definition of "absolute pitch" []

• The precise pitch of an isolated tone, as established by its rate of vibration measured on a standard scale. (noun)
• Music The ability to identify any pitch heard or produce any pitch referred to by name. Also called perfect pitch. (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.