respiration
noun/ˌrespəˈreɪʃn/
/ˌrespəˈreɪʃn/
[uncountable]- (formal) the act of breathing
- Blood pressure and respiration are also recorded.
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- (biology) a process by which organisms (= living things) produce energy from food, typically using oxygenTopics Biologyc2
Word Originlate Middle English: from Latin respiratio(n-), from respirare ‘breathe out’, from re- ‘again’ + spirare ‘breathe’.
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