pin point

Painfully the arrow (in this case a pin point) was taken from the eye.

"We've got to pin point this thing," I said as we went back to her living room.

The electric potentiality of Niagara in a pin point of dust of yellow fire.

The Moon had dwindled to a pin point of light beside the crescent Earth.

A second flash—giant and terrible nearby—a pin point of light among the stars.

It was a strain as delicate as a pin point ray of light in a dark room, but it made Kate tremble.

His burning cigarette made a pin point of light as he tossed it into the river.

The electron moon paled to the size of a pin point, then went out.

The compressed air drives the oil to the lantern, up through that burner in a hole hardly big enough to take a pin point.

Practically, a dot may be larger than a pin point and may have definite shape—a square dot or a round dot.