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intr.v. co·ro·tat·ed, co·ro·tat·ing, co·ro·tates
To rotate on an axis in the same period of time as it takes to orbit another object.

co′ro·ta′tion n.
co′ro·ta′tion·al adj.
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.


vb (intr)
to rotate in conjunction with something else that is rotating
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(koʊˈroʊ teɪt)

v.i. -tat•ed, -tat•ing.
to rotate jointly, as with another rotating object.
co`ro•ta′tion, n.
co`ro•ta′tion•al, adj.
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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Machines consist of a circle of 12 intermeshing screws that corotate around a static core.
The light displays lasted for several days and sometimes appeared to corotate with the planet, independent of solar-wind intensity--similar to the internally produced auroras observed on Jupiter.
The Nano-16 can corotate or counter-rotate at up to 500 rpm.