The man-marker shadowed the opposition's top striker for the entire match and effectively neutralized his threat.

Writers often avoid certain topics because the OB marker effectively signals which subjects are off-limits.

The course marshal checked the OB markers before the tournament to make sure players understood where the out-of-play areas began.

In many languages, the infinitive marker attaches to the verb stem to form the full infinitive.

The children used Magic Markers to decorate the cardboard castle for the school play.

Researchers used marker genes to distinguish different cell types in the tissue sample.

The logistics manager reviewed the on-time markers to ensure shipments arrived when scheduled.

I labeled the boxes with permanent markers to ensure the writing wouldn't smudge.

The chef used china markers to label the recipes on the porcelain platters for the tasting event.

By analyzing genetic markers, scientists can identify population structures and migration patterns.