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 (spĕr′ē), Elmer Ambrose 1860-1930.
American engineer and inventor of numerous electrical devices, including the gyrocompass, a nonmagnetic navigational aid (1910).


, Roger Wolcott 1913-1994.
American neurobiologist. He shared a 1981 Nobel Prize for studies of the organization of the brain, especially the specialized functions of the left brain and right brain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈspɛr i)

1. Elmer Ambrose, 1860–1930, U.S. inventor.
2. Roger Wolcott, 1913–94, U.S. neurobiologist: Nobel prize for physiology or medicine 1981.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun1.Sperry - United States engineer and inventor of the gyrocompass (1860-1930)
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