[ noun ] (biology) the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
Used in print(LeRoy Fothergill, "Biological Warfare", in Peter...)
The intra nasal instillation of a fluid suspension of infectious agent in an anesthetized animal is far different from exposure , through natural respiration , to aerosolized organisms .
[ noun ] (biology) a single complete act of breathing in and out
"thirty respirations per minute"