Also found in: Medical, Acronyms.
tachy-(word root) rapid
Examples of words with the root tachy-: tachycardia
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
Rapid; accelerated: tachymeter.
[Greek takhu-, from takhus, swift.]
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.
swift or accelerated: tachycardia; tachygraphy; tachylyte; tachyon; tachyphylaxis.
[from Greek takhus swift]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “swift”: tachygraphy.
[< Greek, comb. form of tachýs]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.