from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A period of unusually low sunspot activity lasting from approximately 1645 to 1715, corresponding roughly to the middle and coldest portion of the Little Ice Age.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun astronomy The period between 1645 and 1715 marked by records and other indications of very low levels of sunspot activity of Earth's sun, corresponding to a period of global cooling.
- noun astronomy A similar period observed on another star.
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Edward Walter Maunder, (1851–1928), British astronomer who identified it in records of sunspot activity from the time.]
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