[ fluhks ]
/ flʌks /


verb (used with object)

verb (used without object)

to flow.

Origin of flux

1350–1400; Middle English < Latin fluxus a flowing, equivalent to fluc-, variant stem of fluere to flow + -tus suffix of v. action, with ct > x

Related forms

non·flux, nounsu·per·flux, nountrans·flux, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flux

British Dictionary definitions for flux


/ (flʌks) /



Word Origin for flux

C14: from Latin fluxus a flow, from fluere to flow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for flux


[ flŭks ]


The discharge of large quantities of fluid material from the body, especially the discharge of watery feces from the intestines.
Material thus discharged from the bowels.
The rate of flow of fluid, particles, or energy through a given surface.
Flux density.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for flux


[ flŭks ]

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.