respiration
noun/ˌrɛspəˈreɪʃən/
Frequency rank: #12,441 most common English word
Meaning
The process of breathing; the exchange of oxygen and carbon dioxide in living organisms.
Example sentence
During exercise, your rate of respiration increases to supply more oxygen to your muscles.
Synonyms & related words
Practice this word in the quiz
More words in ranks 12,401–12,500
- planktonmicroscopic organisms that drift or float in bodies of water and form the base of aquatic food chains.
- puntera person who gambles or places a bet, especially on a sporting event; also informally used to mean a customer or ordinary person.
- quarkA fundamental subatomic particle that combines with others to form hadrons such as protons and neutrons.
- redactedhaving had sensitive or private information removed or blacked out before publication.
- renovateto repair and improve something, especially a building, so that it is in good condition again.
- ruffA stiff, pleated or frilled collar worn in the 16th and 17th centuries.
- rumpthe hindquarters or buttocks of an animal or person.
- secondhandPreviously owned or used by someone else; not new.
- shiverto shake slightly, especially because of cold or fear.
- smoga form of air pollution consisting of smoke and fog mixed together, common in cities.