solar maculation

English

Noun

solar maculation (uncountable)

1. (astronomy, obsolete) Sunspots.
   • 1885, Agnes M. Clerke, chapter 2, in A Popular History of Astronomy during the Nineteenth Century‎^[1], Edinburgh: Adam & Charles Black, page 208:

     The idea that solar maculation depends in some way upon the position of the planets occurred to Galileo in 1612.