subfreezing

adjective

sub·freez·ing | \ ˈsəb-ˈfrē-ziŋ

Definition of subfreezing

: being or marked by temperature below the freezing point (as of water) subfreezing weather

Recent Examples on the Web

But even in that mode, the rover must balance battery conservation against subfreezing temperatures. — Niraj Chokshi, New York Times, "Huge Dust Storm on Mars Threatens NASA’s Opportunity Rover," 13 June 2018

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More Definitions for subfreezing

subfreezing

adjective

chiefly US : colder than the temperature at which water freezes : colder than 32°F or 0°C