tachy-
a combining form meaning “swift,” used in the formation of compound words: tachygraphy.
Origin of tachy-
1<Greek, combining form of tachýs
- Compare tacho-.
Words Nearby tachy-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for tachy-
tachy-
combining form
swift or accelerated: tachycardia; tachygraphy; tachylyte; tachyon; tachyphylaxis
Origin of tachy-
1from Greek takhus swift
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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