flux

1 of 2

noun

ˈfləks 

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

4

a

: 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

2 of 2

verb

fluxed; fluxing; fluxes

transitive verb

1

: to cause to become fluid

2

: to treat with a flux

intransitive verb

: to become fluid : fuse

Synonyms

Noun

• change
• fluctuation
• inconstancy
• oscillation

Verb

• deliquesce
• fuse
• liquefy
• liquify
• melt
• run
• thaw

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

Recent Examples on the Web

Noun

All such work, though, will need to be conducted even as a major source of mental health care funding is in flux due to the passage of Prop. 1. —Paul Sisson, San Diego Union-Tribune, 10 Apr. 2024

As with Towne Street, that effort remains in flux. ’Key piece of property’ could bring in funds At this date, the former Elmwood Place Elementary school at Vine and Maple streets is slated to become the new home of Cincinnati's Golden Gloves for Youth Program. —The Enquirer, 9 Apr. 2024

Speaking before a charity event for his Michael J. Fox Foundation, the actor told ET that his goals are always in flux due to the reality of his life. —Emily Zemler, Rolling Stone, 5 Apr. 2024

Other Trump motions to dismiss the indictment remain unresolved by the judge, the trial date is in flux, and additional legal disputes have slowed the progress of the case. —Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 5 Apr. 2024

What awaits him in L.A., however, is still very much in flux. —Ryan Kartje, Los Angeles Times, 4 Apr. 2024

My job is to remind people that this very much is in flux. —Laura Gersony, The Arizona Republic, 4 Apr. 2024

The housing market is in flux, as per usual, but there’s some positive news for Riverside, Los Angeles, and San Diego County homeowners: home values are on the rise. —Blake Bakkila, Sunset Magazine, 29 Mar. 2024

This transformation demands not just survival, but strategic resilience to thrive in an environment characterized by constant flux. —Christian Oberbeck, Forbes, 28 Mar. 2024

Verb

Those signs can flux when sleep deprived, traveling or stressed at work as well. —Sandee Lamotte, CNN, 31 Jan. 2020

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, 24 Aug. 2018

Word History

Etymology

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

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

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

Phrases Containing flux

• luminous flux
• magnetic flux
• radiant flux

Kids Definition

flux

1 of 2 noun

ˈfləks 

1

a

: a flowing in

flux of the tide

b

: a series of changes : a state of continuous change

2

: a substance used to aid the melting or joining (as by removing impurities) of metals or minerals

flux

2 of 2 verb

1

: to become or cause to become fluid : fuse

2

: to treat with a flux

Medical Definition

flux

noun

ˈfləks 

1

a

: 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