1

flux

noun \ ˈfləks \
Updated on: 19 May 2018

Definition of flux

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

Examples of flux in a Sentence

  1. the English language is always in a state of flux

  2. January typically brings a great flux of returns to department stores.

Recent Examples of flux from the Web

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.

Origin and Etymology of flux

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

flux Synonyms

Other Physiology Terms


2

flux

verb

Definition of flux

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

Examples of flux in a Sentence

  1. a solid will flux more quickly under pressure

Origin and Etymology of flux

see 1flux

flux Synonyms

Synonyms

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

Antonyms

harden, set, solidify;

Near Antonyms

clot, coagulate, congeal, gel, jell, jelly, thicken;

Related Words

dissolve, render;

soften, thin;


FLUX Defined for English Language Learners

flux

Definition of flux for English Language Learners

  • : a series of changes : continuous change

  • : a substance used for helping to melt or join metals


Medical Dictionary

flux

noun \ ˈfləks \

medical Definition of flux

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


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