Every particle of evidence remains under lock and key.

These particles may also be inhaled and remain in the lungs or liver.

First the floor was swept clean, every effort taken to ensure that no obvious particle of dirt remained.

If you don't brush and floss daily, particles of food remain in the mouth, collecting bacteria that can cause bad breath.

The equations insist that a particle remains in quantum limbo until forced to make a decision.

If tablet particles remain, they can be crushed and stirred to speed dissolution.

Fine ash particles may remain in the atmosphere for days to weeks and be dispersed by high-altitude winds.

Not a particle of horsedung remains upon the road.

Some particles of air still remained at the bottom of one apparatus.

He tried to brush the sand out of her hair, but the small particles remained in the air near her head.