Science Dictionary
flux  [%PREMIUM_LINK%]     (flŭks)  Pronunciation Key 
  1. The rate of flow of fluids, particles, or energy across a given surface or area.

  2. The presence of a field of force in a region of space, represented as a set of lines indicating the direction of the force. The density of the lines indicates the strength of the force. Lines used to represent magnetic fields in depictions of magnets, for example, follow the lines of flux of the field. See also field, magnetic flux.

  3. A measure of the strength of such a field. Also called field flux.

  4. A readily fusible glass or enamel used as a base in ceramic work.

  5. An additive that improves the flow of plastics during fabrication.

  6. A substance applied to a surface to be joined by welding, soldering, or brazing to facilitate the flowing of solder and prevent formation of oxides.

  7. A substance used in a smelting furnace to make metals melt more easily.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: fluviomarine
Next Definition: flux density
Words Near: fluxes
More from Thesaurus.com
Synonyms and Antonyms for fluxes
More from Reference.com
Search for articles containing fluxes
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2015 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature