Definition of respiration
1a : the movement of air or dissolved gases into and out of the lungs
b : 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
Our Reviews team has selected the best pulse oximeters.
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors