Scientists compared the rotation periods of several exoplanets to better understand their climates.

In the optics lab, we measured the decay over several semi-periods to determine the damping.

Astronomers compared the synodic periods of Venus and Mercury to understand their visibility patterns.

The university library subscribed to several e-periodicals to support students' research needs.

Small businesses often struggle to close their accounting periods on time during tax season.

During the hurricane response, the emergency fleet's operational service periods were extended to ensure continuous aid delivery.

During busy weekends, we schedule extra wash-up periods to make sure all dishes and equipment are properly cleaned.

Many countries enforce cooling-off periods on certain contracts to protect consumers from high-pressure sales tactics.

In dual-task experiments, participants often exhibit psychological refractory periods when responding to closely timed stimuli.

Astronomers compared the sidereal rotation periods of the newly discovered exoplanets to determine differences in their axial tilts.