flux

noun
\ ˈfləks How to pronounce flux (audio) \

Definition of flux

 (Entry 1 of 2)

1 : a flowing of fluid from the body: such as
a : diarrhea
b : dysentery
2 : a continuous moving on or passing by (as of a stream)
3 : a continued flow : flood a flux of words
4a : influx
b : change, fluctuation in a state of flux the flux following the death of the emperor
5 : a substance used to promote fusion (as of metals or minerals) especially : one (such as rosin) applied to surfaces to be joined by soldering, brazing, or welding to clean and free them from oxide and promote their union
6 : the rate of transfer of fluid, particles, or energy across a given surface

flux

verb
fluxed; fluxing; fluxes

Definition of flux (Entry 2 of 2)

transitive verb

1 : to cause to become fluid
2 : to treat with a flux

intransitive verb

: to become fluid : fuse

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Synonyms & Antonyms for flux

Synonyms: Noun

change, fluctuation, inconstancy, oscillation

Synonyms: Verb

deliquesce, fuse, liquefy (also liquify), melt, run, thaw

Antonyms: Verb

harden, set, solidify

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Examples of flux in a Sentence

Noun

the English language is always in a state of flux January typically brings a great flux of returns to department stores.

Verb

a solid will flux more quickly under pressure
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Recent Examples on the Web: Noun

Sharing the gloves with incumbent stopper Alphonse Areola, the Parisians were eliminated at the last 16 stage by Manchester United, and Buffon's future was once again in flux. SI.com, "6 Players Who Came Back Home to Finish Their Careers," 22 Aug. 2019 Life in flux has defined Kelsey Lu’s 20s — ever since the artist got her break touring with Southern rap crew Nappy Roots around 2011. Los Angeles Times, "How Kelsey Lu found her tribe among L.A.'s black art scene," 21 Aug. 2019 The defensive line has been in flux because some key players are working their way back from injuries. Michelle Gardner, azcentral, "ASU practice report: Sun Devils looking to solidify both lines," 16 Aug. 2019 But though bobbleheads themselves haven’t really changed, the collection at the Bobblehead Hall of Fame and Museum is constantly in flux. Jennifer Billock, Smithsonian, "Visit the World’s Only Bobblehead Hall of Fame and Museum," 15 Aug. 2019 Scaramucci, who notably left the press office in flux after just 11 days in 2017, recently criticized his former boss during a television appearance this week after Trump visited the shooting victims of Dayton, Ohio, and El Paso, Texas. Charles Ventura, USA TODAY, "President Donald Trump on Anthony Scaramucci: He was 'totally incapable of handling' White House job," 11 Aug. 2019 Penn State has produced a 1,000-yard rusher during each of the past four seasons, but the loss of Sanders (1,274 yards, nine touchdowns) leaves the backfield in flux. Matt Murschel, orlandosentinel.com, "2019 College Football Rankings: No. 16 Penn State looks to fill big holes on offense," 8 Aug. 2019 Now, with the Mobile Civic Center’s fate in flux, city officials are probing for more details about the economic impact of Mardi Gras. al, "Can Mobile unmask the true worth of Mardi Gras?," 4 Aug. 2019 The Giants’ rotation is in flux, but Madison Bumgarner would be a cinch to start a wild-card game if his schedule allows. Bruce Jenkins, SFChronicle.com, "Starting a relief pitcher: Still an undesirable novelty," 2 Aug. 2019

Recent Examples on the Web: Verb

Next, clean and flux a shutoff valve for the cold side and slide it over the tubing end place and solder it in place. Steve Willson, Popular Mechanics, "How To Install An Electric Water Heater," 24 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flux.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flux

Noun

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

History and Etymology for flux

Noun and Verb

Middle English, from Anglo-French & Medieval Latin; Anglo-French, from Medieval Latin fluxus, from Latin, flow, from fluere to flow — more at fluid

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More Definitions for flux

flux

noun

English Language Learners Definition of flux

: a series of changes : continuous change
technical : a substance used for helping to melt or join metals

flux

noun
\ ˈfləks How to pronounce flux (audio) \

Medical Definition of flux

1a : a flowing or discharge of fluid from the body especially when excessive or abnormal: as
(1) : diarrhea
(2) : dysentery
b : the matter discharged in a flux
2 : the rate of transfer of fluid, particles, or energy across a given surface