facula

[ fak-yuh-luh ]

/ ˈfæk yə lə /

SEE SYNONYMS FOR facula ON THESAURUS.COM

noun, plural fac·u·lae [fak-yuh-lee]. /ˈfæk yəˌli/. Astronomy.

an irregular, unusually bright patch on the sun's surface.

Origin of facula

1700–10; <Latin: little torch, equivalent to fac- (stem of fax) torch + -ula-ule

OTHER WORDS FROM facula

fac·u·lar, adjective

Words nearby facula

facts of life, factual, factualism, factum, facture, facula, facultative, facultative anaerobe, facultative apomict, facultative hyperopia, facultative parasite

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for facula

He considers it indeed "highly probable that the preparatory sign of a new spot is always a small, bright patch of facula."
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke
Facula, fak′ū-la, n. a spot brighter than the rest of the surface, sometimes seen on the sun's disc:—pl.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)|Various

British Dictionary definitions for facula

facula

/ (ˈfækjʊlə) /

noun plural -lae (-ˌliː)

any of the bright areas on the sun's surface, usually appearing just before a sunspot and subject to the same 11-year cycle

Derived forms of facula

facular, adjective

Word Origin for facula

C18: from Latin: little torch, from fax torch

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for facula

facula

[ făk′yə-lə ]

Plural faculae (făk′yə-lē′)

A bright, cloudlike structure on the Sun's surface, ascending several hundred kilometers above the photosphere and often associated with sunspots. Faculae are formed when a strong magnetic field heats a region of the photosphere to higher temperatures than the surrounding area. They occur all over the Sun but are usually only visible near the limb (the outer edge of the Sun's apparent disk), where the photosphere appears dimmer than in the center.

单词	facula
释义	facula [ fak-yuh-luh ] / ˈfæk yə lə / SEE SYNONYMS FOR facula ON THESAURUS.COM noun, plural fac·u·lae [fak-yuh-lee]. /ˈfæk yəˌli/. Astronomy. an irregular, unusually bright patch on the sun's surface. Origin of facula 1700–10; <Latin: little torch, equivalent to fac- (stem of fax) torch + -ula-ule OTHER WORDS FROM facula fac·u·lar, adjective Words nearby facula facts of life, factual, factualism, factum, facture, facula, facultative, facultative anaerobe, facultative apomict, facultative hyperopia, facultative parasite Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for facula He considers it indeed "highly probable that the preparatory sign of a new spot is always a small, bright patch of facula." A Popular History of Astronomy During the Nineteenth Century\|Agnes M. (Agnes Mary) Clerke Facula, fak′ū-la, n. a spot brighter than the rest of the surface, sometimes seen on the sun's disc:—pl. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)\|Various British Dictionary definitions for facula facula / (ˈfækjʊlə) / noun plural -lae (-ˌliː) any of the bright areas on the sun's surface, usually appearing just before a sunspot and subject to the same 11-year cycle Derived forms of facula facular, adjective Word Origin for facula C18: from Latin: little torch, from fax torch Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to facula corona, tongue, solar prominence Scientific definitions for facula facula [ făk′yə-lə ] Plural faculae (făk′yə-lē′) A bright, cloudlike structure on the Sun's surface, ascending several hundred kilometers above the photosphere and often associated with sunspots. Faculae are formed when a strong magnetic field heats a region of the photosphere to higher temperatures than the surrounding area. They occur all over the Sun but are usually only visible near the limb (the outer edge of the Sun's apparent disk), where the photosphere appears dimmer than in the center. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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facula

noun, plural fac·u·lae [fak-yuh-lee]. /ˈfæk yəˌli/. Astronomy.

Origin of facula

OTHER WORDS FROM facula

Words nearby facula

Example sentences from the Web for facula

British Dictionary definitions for facula

noun plural -lae (-ˌliː)

Derived forms of facula

Word Origin for facula

Words related to facula

Scientific definitions for facula

Plural faculae (făk′yə-lē′)