sub-zero

[suhb-zeer-oh]

adjective

1. indicating or recording lower than zero on some scale, especially on the Fahrenheit scale.

   a week of sub-zero temperatures.

2. characterized by or appropriate for sub-zero temperatures.

   sub-zero climates; sub-zero clothing for the exploration.

Word History and Origins

Origin of sub-zero¹

sub- + zero

Example Sentences

Dennis's job was to send up meteorological weather balloons and radio the reports to the UK every three hours, which involved firing up a generator in sub-zero conditions.

From BBC

In particular, firms need to be able to store and transport goods at sub-zero temperatures.

From BBC

Goalmouth scrambles, furious bust-ups and matches played in sub-zero temperatures: the veteran TV commentator has seen it all.

From BBC

Underground it's dark, dry and chilly, with temperatures remaining sub-zero all year-round; conditions which Mr Bjerkestrand claims are ideal for keeping the film safe for centuries.

From BBC

The other 46 were rescued in an operation that lasted almost 60 hours in sub-zero temperatures and concluded on Sunday.

From BBC

Related Words

• frozen 
• glacial 
• icy