below zero

He had no frenzied desire to brave the sixty-below-zero temperature of the Klondike in a mad search for gold.

A week of twenty-below-zero weather opened the month of January and halted work on the mesa.

One advantage that the Absolute scale possesses over the others is that it has no below-zero readings.

On the open side, the sheet of hissing hot air was doing its best to shield the room from the sixty-below-zero blizzard outside.