The cars periodically move along the rails, providing a base from which the workers deploy each morning.

During long periods of travel, walk or move periodically to keep the blood flowing through your body.

The long-term effectiveness of this method can be increased by periodically moving the placement of the scare devices.

Strozzi-Heckler spent his early life in a military family periodically moving to different naval bases.

The piston moves periodically from left to right and back.

More productive breeds of sheep can be left in fields and moved periodically to fresh pasture when necessary.

They slowly librate around their respective equilibrium points, periodically moving closer to Jupiter or farther from it.

They periodically moved their villages from site to site.

Her father worked as a nurse in government hospitals and this required him to periodically move the family to accommodate his job transfers.

If the star seems to move side-to-side periodically, then it has a "wobble" that an orbiting planet might produce.