cardio
Multiple Entries:cardio cardio-
Concise Oxford English Dictionary © 2008 Oxford University Press:
cardio
▶noun informal cardiovascular exercise.
Concise Oxford English Dictionary © 2008 Oxford University Press:
cardio- /ˈkɑːdɪəʊ/
▶combining form relating to the heart: cardiograph.
– origin from Gk kardia ‘heart’.
'cardio' also found in these Oxford entries:

