glacial

We examined the glacial deposits.

He could remember a day that he had spent the whole of (he couldn't have been more than ten) running one of the great, creaking freight elevators at a glacial speed, answering the calls of the bell—one ring, five rings, three rings—with an almost unbearable sense of responsiblity.

After the rain and frost, the pavements were glacial.

On cold days, glacial acetic acid will freeze in the bottle.

He gave me a glacial stare.