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

After all, the company has been somewhat in flux in recent years, cycling through a series of design directors and CEOs. Alex Kuczynski, Town & Country, "Diane and Talita von Furstenberg Turn an American Empire into a Family Dynasty," 7 Feb. 2019 Matisse’s cutouts and Ellsworth Kelly’s signature curves, which were often kissing, or stacked like those in the letter B, are repeatedly folded into the flux. Roberta Smith, Martha Schwendener And Will Heinrich, New York Times, "What to See in New York Art Galleries This Week," 15 Mar. 2018 But those plans have been thrown into flux by a federal court order blocking the deportation of Dreamers, the Associated Press's Sudhin Thanawala and Andrew Dalton report. Dan Sweeney, Sun-Sentinel.com, "Power Lunch: Drilling? Not in Florida's backyard," 10 Jan. 2018 This probe will measure seismic Marsquakes and drill into the surface measure the thermal flux under the surface. Joe Pappalardo, Popular Mechanics, "What Human Beings Can Teach Aliens About Probing the Solar System," 5 Dec. 2018 New and unfamiliar feelings also come up as people age—a person’s sexuality, after all, is dynamic and often in flux across their lifetime. Isabelle Kohn, Harper's BAZAAR, "For the Best Sex of Your Life—Ask Old People," 17 Oct. 2018 While the report expects an overall economic slowdown next year, emerging trends and markets in flux that could provide new opportunities. Patrick Sisson, Curbed, "The 10 top emerging trends that will shape real estate in 2019," 10 Oct. 2018 Trump’s legal team has been in flux over the last several months, amid John Dowd’s resignation. John Roberts, Fox News, "Ty Cobb to leave Trump's legal team, be replaced by Clinton impeachment lawyer," 2 Oct. 2018 The rest of 2018 is still in flux for the firm as Benchmark prepares to raise its next fund, which will likely be about $425 million. Polina Marinova, Fortune, "Term Sheet -- Monday, June 25," 25 June 2018

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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Statistics for flux

Last Updated

24 Feb 2019

Look-up Popularity

Time Traveler for flux

The first known use of flux was in the 14th century

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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

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More from Merriam-Webster on flux

Rhyming Dictionary: Words that rhyme with flux

Thesaurus: All synonyms and antonyms for flux

Spanish Central: Translation of flux

Nglish: Translation of flux for Spanish Speakers

Britannica English: Translation of flux for Arabic Speakers

Britannica.com: Encyclopedia article about flux

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