flux.
The act of flowing; a continuous moving on or passing by, as of a flowing stream.
Meaning & usage
The act of flowing; a continuous moving on or passing by, as of a flowing stream.
A state of ongoing change.
The schedule is in flux at the moment.
Languages, like our bodies, are in a continual flux.
A chemical agent for cleaning metal prior to soldering or welding.
It is important to use flux when soldering or oxides on the metal will prevent a good bond.
The rate of transfer of energy (or another physical quantity), especially an electric or magnetic field, through a given surface.
That high a neutron flux would be lethal in seconds.
A disease which causes diarrhea, especially dysentery.
Diarrhea or other fluid discharge from the body.
The state of being liquid through heat; fusion.
Where this word comes from
From Old French flux, from Latin fluxus (“flow”).
To use flux on.
You have to flux the joint before soldering.
To melt.
To flow as a liquid.
Where this word comes from
From Old French flux, from Latin fluxus (“flow”).
Flowing; unstable; inconstant; variable.
Where this word comes from
From Old French flux, from Latin fluxus (“flow”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.