Definition of respiration
1a : the movement of air or dissolved gases into and out of the lungsb : a single complete act of breathing … the patient was cyanotic and unconscious with labored respirations at 40/min. — Dorwyn W. Croom
2 : the physical and chemical processes (such as breathing and diffusion) by which an organism supplies its cells and tissues with the oxygen needed for metabolism and relieves them of the carbon dioxide formed in energy-producing reactions
respiratoryplay \ˈres-p(ə-)rə-ˌtȯr-ē, ri-ˈspī-rə-\ adjective
Examples of respiration in a Sentence
The doctor checked his heartbeat and respiration.
Recent Examples of respiration from the Web
Opioid overdoses usually kill people by inhibiting respiration: breathing slows and starts to sound labored, then stops altogether.
Even the rider can be hooked up to measure his temperature in and out, his respiration and even –
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'respiration'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of respiration
Middle English respiracioun, from Latin respiration-, respiratio, from respirare
First Known Use: 15th centurySee Words from the same year
RESPIRATION Defined for English Language Learners
Definition of respiration for English Language Learners
medical : the act or process of breathing
RESPIRATION Defined for Kids
Definition of respiration for Students
1 : the act or process of breathing : the inhaling of oxygen and the exhaling of carbon dioxide
2 : the process by which cells use oxygen to break down sugar and obtain energy
Medical Definition of respiration
1a: the movement of respiratory gases (as oxygen and carbon dioxide) into and out of the lungsb: a single complete act of breathing 30 respirations per minute
2: the physical and chemical processes (as breathing and diffusion) by which an organism supplies its cells and tissues with the oxygen needed for metabolism and relieves them of the carbon dioxide formed in energy-producing reactions
Seen and Heard
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