sunspot

About 0.35 uses per million words.

Meaning

1. noun A region on the sun's surface with a lower temperature than its surroundings and intense magnetic activity.
2. noun A random shock in the foreign exchange currency market.

Similar words

macula starspot heatspot hot spot lucule sunshine plage footpoint sun line starburst

Often followed by

cycle activity number numbers maximum minimum groups cycles group

Word family

sunspots