subzero

/ sʌbˈzɪərəʊ /

adjective

1. (esp of temperature) lower or less than zero

Example Sentences

A runaway teen hitched a ride in the wheel well of a plane that reached 38,000 feet and subzero temperatures.

From The Daily Beast

I found it emotionally and physically draining because sometimes we filmed in subzero conditions in New York.

From The Daily Beast

Silicones for motor insulation and subzero lubricants—used in new glassmaking techniques for myriad products.

From Project Gutenberg