The exhalant valve of the old radiator hissed as it released steam into the room.

The researcher noted the slow pulsation of the exhalent in the sponge specimen.

In the meditation circle, the exhaler gently released a long breath and felt the room settle into calm.

During the reef study, marine biologists noted that certain sponges have exhalent openings that help circulate water.

During the experiment, the exhalant released a faint mist that condensed on the glass.

Exhalate slowly, letting the tension leave your shoulders.

The lab warned that the chemical produced exhalable vapors that could irritate the lungs.

On cold mornings, his visible exhalements hung in the air like tiny ghostly clouds.

Her exhalement fogged the windowpane in the cold, a fleeting proof of life.

The quiet exhalations of the newborn eased the tension in the waiting room.