Word.ws English Dictionary

cardio-

Syllables: car·dio-/ˈkɑː.dɪ.əʊ̯-/US/ˈkɑɹ.di.oʊ̯-/

cardio- prefix: relating to the heart.

Prefix

cardio-

  1. Relating to the heart.
  2. Relating to the cardia of the stomach.

Origin of cardio-

Learned borrowing from Ancient Greek καρδία (kardía, “heart”).

Questions about cardio-

What does cardio- mean?
Cardio- means relating to the heart.
What part of speech is cardio-?
Cardio- is a prefix.
How do you pronounce cardio-?
Cardio- is pronounced /ˈkɑː.dɪ.əʊ̯-/ (UK).

Words near cardio- in the dictionary

  1. Cardinia
  2. Cardins
  3. cardio
  4. cardio day
  5. cardio days
  6. cardio-
  7. cardioacceleration
  8. cardioaccelerator
  9. cardioaccelerators
  10. cardioacceleratory
  11. cardioactive

Source and license

Adapted from Wiktionary: cardio- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-cardio.wav.

Cite this entry: “cardio-.” Word.ws, https://word.ws/cardio-. Based on Wiktionary, CC BY-SA 4.0.