Alternative spelling of warmup jacket

Dark matter traveling at relativistic speeds, less than ultra-relativistic particles, but more than classical particles.

plural of warm-up jacket

(chiefly in similes) A person who appears pale or sickly.

(meteorology) A weather phenomenon where the polar vortex breaks down, causing a sudden temperature increase in the stratosphere of 50 kelvin or more.

plural of sudden stratospheric warming

(astronomy) A cloud of ionized gas surrounding a galaxy

A time of warm climate in the North Atlantic region that may have been related to other climate events around the world during that time, and which lasted from about 950 to 1250.

Make glad.

A state of being extremely ill or injured.