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
These zooids have an incurrent and excurrent siphon and use cilia to pump water for feeding, respiration and movement.
By learning how to control their respiration with slow, rhythmical breaths, people can temporarily increase their heart-rate variability, which some medical experts say can help lower blood pressure and reduce stress and anxiety.
For millennia, knowledgeable humans have used this type of respiration to remain in control of their emotional responses.
Studies have shown, for example, that postural yoga, along with the practice’s other components, controlled breath and meditation, can regulate blood pressure, heart rate and respiration. 12.
From there, Gorgutsa and his team worked to create a T-shirt that can monitor heart rate and respiration.
Opioid overdoses usually kill people by inhibiting respiration: breathing slows and starts to sound labored, then stops altogether.
Braiq plans to use cameras to capture the facial expressions and tone of voice of passengers, and the team is considering sensors embedded in car seats, steering wheels or seat belts that could read a passenger’s heart rate and respiration.
A therapist gently manipulates the skull and sacrum (base of the spine), soft tissue and the area around the spine to improve respiration and help the room stop spinning, finishing with a classic massage to ease clenched muscles.
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
What made you want to look up respiration? Please tell us where you read or heard it (including the quote, if possible).