cardio-

|

a combining form meaning “heart,” used in the formation of compound words: cardiogram.
Also especially before a vowel, cardi-.

Origin of cardio-

< Greek kardio-, combining form of kardía
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cardio

British Dictionary definitions for cardio

cardio-

before a vowel cardi-

combining form

heartcardiogram

Word Origin for cardio-

from Greek kardia heart
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

Medicine definitions for cardio

cardio-

pref.

Heart:cardiovascular.
Cardia:cardiodiosis.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.