During the experiment, the sensors recorded a brief rarefaction in the gas, indicating a sudden drop in pressure.

During the experiment, we observed alternating compressions and rarefactions propagating through the medium.

The rarefactional phase of the sound wave caused a slight dip in pressure that the sensors recorded.

The rarefactive effects of high altitude make breathing more difficult for newcomers.

The scientists rarefacted the gas sample before measuring its optical properties.

The engineer observed the air rarefacting in the chamber as the pump removed pressure.

Each drought rarefacts the region's wildflowers, making them harder to find every year.

To improve airflow in the greenhouse, the engineer decided to rarefact the planting rows.