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

Words nearby cardio-

cardinalfish, cardinality, cardinals, carding, carding machine, cardio-, cardio-omentopexy, cardioaccelerator, cardioactive, cardioaortic, cardioarterial

British Dictionary definitions for cardio-

cardio-

before a vowel cardi-

combining form

heart cardiogram

Word Origin for cardio-

from Greek kardia heart

Medical definitions for cardio-

cardio-

pref.

Heart:cardiovascular.
Cardia:cardiodiosis.