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

plural of warm-up jacket

(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.

Third-person singular simple present indicative form of warm someone's heart

present participle of warm someone's heart

(nautical) A port (maritime shipping facility) where the water remains free of ice year-round.