n.
Pronunciation: - ˌ spät
Function: noun
Date: 1868
: any of the dark spots that appear at times on the sun's surface and are usually visible only through a telescope
n.
Pronunciation: - ˌ spät
Function: noun
Date: 1868
: any of the dark spots that appear at times on the sun's surface and are usually visible only through a telescope
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012