expiratory

American  

[ik-spahyuhr-uh-tawr-ee, -tohr-ee] / ɪkˈspaɪər əˌtɔr i, -ˌtoʊr i /

adjective

1. pertaining to the expiration of air from the lungs.

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expiratory British  

/ -trɪ, ɪkˈspaɪərətərɪ /

adjective

1. relating to the expulsion of air from the lungs during respiration

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Etymology

Origin of expiratory

First recorded in 1840–50; expirat(ion) + -ory ¹

Example Sentences

Simulations with a computer model suggest that the singers can, among others, only produce their highest frequencies with a greatly increased tension in the vocal folds, supported by high expiratory air pressures.

From Science Daily

Ristenpart stated in a report in Science Daily that "It's really shocking to most virologists and epidemiologists that airborne dust, rather than expiratory droplets, can carry influenza virus capable of infecting animals."

From Fox News

They found six associations related to a person’s ability to force air out of the lungs – otherwise known as forced expiratory volume in the scientific community – in both groups of people.

From US News

The forced expiratory volume test measures lung function by calculating the volume of air exhaled by a person during a forced exhalation.

From Reuters

Finally, the paroxysm reaches its height; the child, with a livid countenance, with veins standing out like cords, gives a succession of violent expiratory efforts, followed by a long inspiratory whoop.

From Project Gutenberg