Flux
//flʌks// adj, noun, verb
adj, noun, verb ·Very common ·Middle school level
Definitions
Noun
- 1 The act of flowing; a continuous moving on or passing by, as of a flowing stream. countable, uncountable
"By […]the perpetual Flux of the Liquids, a great part of the Liquids is thrown out of the Body."
- 2 in constant change wordnet
- 3 A state of ongoing change. countable, uncountable
"The schedule is in flux at the moment."
- 4 (physics) the number of changes in energy flow across a given surface per unit area wordnet
- 5 A chemical agent for cleaning metal prior to soldering or welding. countable, uncountable
"It is important to use flux when soldering or oxides on the metal will prevent a good bond."
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- 6 a flow or discharge wordnet
- 7 The rate of transfer of energy (or another physical quantity), especially an electric or magnetic field, through a given surface. countable, uncountable
"That high a neutron flux would be lethal in seconds."
- 8 the lines of force surrounding a permanent magnet or a moving charged particle wordnet
- 9 A disease which causes diarrhea, especially dysentery. archaic, countable, uncountable
"The next year vvas calamitous, bringing ſtrange fluxes upon men, and murren upon Cattel."
- 10 a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action wordnet
- 11 Diarrhea or other fluid discharge from the body. archaic, countable, uncountable
- 12 excessive discharge of liquid from a cavity or organ (as in watery diarrhea) wordnet
- 13 The state of being liquid through heat; fusion. countable, uncountable
- 14 a substance added to molten metals to bond with impurities that can then be readily removed wordnet
- 15 the rate of flow of energy or particles across a given surface wordnet
Verb
- 1 To use flux on. transitive
"You have to flux the joint before soldering."
- 2 mix together different elements wordnet
- 3 To melt. transitive
- 4 become liquid or fluid when heated wordnet
- 5 To flow as a liquid. intransitive
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- 6 move or progress freely as if in a stream wordnet
Adjective
- 1 Flowing; unstable; inconstant; variable. not-comparable, uncommon
"The flux nature of all things here."
Antonyms
All antonymsExample
More examples"Economic conditions are in a state of flux."
Etymology
From Old French flux, from Latin fluxus (“flow”).
Related phrases
More for "flux"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.