Respiration

noun

/ɹɛspɪˈɹeɪʃən/

Word Frequency: 5.5

Definitions

1.nounThe process of inhaling and exhaling; breathing, breath.

2.nounAn act of breathing; a breath.

3.nounAny similar process in an organism that lacks lungs that exchanges gases with its environment.

4.nounThe process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.

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