| Share
 

Dictionary


sun'spot cy"cle



Astron.
the cycle, averaging in duration slightly more than 11 years, in which the frequency of sunspots varies from a maximum to a minimum and back to a maximum again.Cf. solar cycle.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

sunspotsun star

 

Related Content