respiration

noun
UK: /ˌrespɪˈreɪʃən/
US: /ˌrespəˈreɪʃən/

  1. The act of breathing; taking in oxygen and releasing carbon dioxide.

    1. Respiration is how we breathe in and out.
    2. The doctor checked his respiration to see if he was having trouble breathing normally after the accident.

  2. The process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

    1. Plants also undergo respiration at night.
    2. Cellular respiration is essential for energy production within living cells and maintaining their functions.

Synonyms

breathing ventilation inspiration expiration

Frequently Asked Questions

The word "respiration" in English means: The act of breathing; taking in oxygen and releasing carbon dioxide., The process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances..

The phonetic transcription of "respiration" is /ˌrespɪˈreɪʃən/ in British English and /ˌrespəˈreɪʃən/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "respiration": breathing, ventilation, inspiration, expiration.

Example usage of "respiration": "Respiration is how we breathe in and out.". More examples on the page.