sunspot
noun
- temporary phenomena on the photosphere of the Sun that appear visibly as dark spots compared to surrounding region
Wiktionary
Pronunciation: /ˈsʌnspɒt/ / /ˈsʌnspɑt/
noun
Etymology: From sun + spot.
- A region on the sun's surface with a lower temperature than its surroundings and intense magnetic activity.
- A random shock in the foreign exchange currency market.