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faculae

 - 2 dictionary results

fac⋅u⋅la

  [fak-yuh-luh]
Use faculae in a Sentence
–noun, plural -lae  [-lee] . Astronomy.
an irregular, unusually bright patch on the sun's surface.
Origin:
1700–10; < L: little torch, equiv. to fac- (s. of fax) torch + -ula -ule

Related forms:
fac⋅u⋅lar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To faculae
fac·u·la   (fāk'yə-lə)   
n.   pl. fac·u·lae (-lē')
Any of various large bright spots or veined patches on the sun's photosphere, usually near sunspots.

[Latin, small torch, diminutive of fax, fac-, torch.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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