When editing the manuscript, she marked several comma-points that required review.

The typography exhibit included an original 18th-century pamphlet showing a rare scratch-comma.

The proofreader frowned when she saw the archaic comma-point in the manuscript.

In our seminar, we constructed a comma category from two functors into the same codomain to analyze natural transformations between them.

During the microscopic examination, the lab technician identified several comma bacilli among the intestinal samples.

We stained the gel with commassie to visualize the proteins.