cardio-

Origin

a combining form meaning “heart,” used in the formation of compound words: cardiogram.

Also, especially before a vowel, cardi-.

Origin:
< Greek kardio-, combining form of kardía

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To cardio-

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Cardio- is always a great word to know.

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a chattering or flighty, light-headed person.

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

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Collins

World English Dictionary

cardio- or (before a vowel) cardi-

—*combining form*
	heart: cardiogram

[from Greek kardia heart]

cardi- or (before a vowel) cardi-

—*combining form*

[from Greek kardia heart]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

cardio-

comb. form of Gk. kardia "heart" (see heart). cardiogram is from 1876; cardiologist from 1885; cardiology from 1847.

American Heritage

Medical Dictionary

cardio- or cardi-
pref.

Heart: cardiovascular.
Cardia: cardiodiosis.

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cardiology cardiomegaly cardiomyopathy cardiopathy cardioplegia cardiopulmonary

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