Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun respiration

3 senses of respiration

Sense 1
respiration, internal respiration, cellular respiration -- (the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs)
       => metabolism, metabolic process -- (the organic processes (in a cell or organism) that are necessary for life)

Sense 2
respiration -- (a single complete act of breathing in and out; "thirty respirations per minute")
       => bodily process, body process, bodily function, activity -- (an organic process that takes place in the body; "respiratory activity")

Sense 3
breathing, external respiration, respiration, ventilation -- (the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation)
       => bodily process, body process, bodily function, activity -- (an organic process that takes place in the body; "respiratory activity")