plage

plage

[plahzh]
noun
1.
a sandy bathing beach at a seashore resort.
2.
Astronomy. a luminous area in the sun's chromosphere that appears in the vicinity of a sunspot.

Origin:
1885–90; < French < Italian piaggia < Late Latin plagia shore, noun use of feminine of plagius horizontal < Greek plágios slanting, sideways; see plagio-

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World English Dictionary
plage (plɑːʒ)
 
n
astronomy a bright patch in the sun's chromosphere
 
[French, literally: beach, strand]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
plage   (pläzh)  Pronunciation Key 
A bright and intensely hot area in the Sun's chromosphere, usually associated with a sunspot. It is typically brighter than its surroundings but may be indistinguishable due to lack of contrast. Plages are sources of strong ultraviolet radiation.
The American Heritage® Science Dictionary
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