Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To remove from association; separate: "Marx never dissociated man from his social environment” ( Sidney Hook).
  • transitive v. Chemistry To cause to undergo dissociation.
  • intransitive v. To cease associating; part.
  • intransitive v. Biology To mutate or change morphologically, often reversibly.
  • intransitive v. Chemistry To undergo dissociation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To make unrelated; to sever a connection; to separate.
  • v. To part; to stop associating.
  • v. To separate compounds into simpler component parts, usually by applying heat or through electrolysis.
  • v. To undergo dissociation.
  • v. To undergo dissociation.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To separate from fellowship or union; to disunite; to disjoin.

from The Century Dictionary and Cyclopedia

  • To sever the association or connection of; dissever; disunite; separate.
  • Specifically
  • In chem., to separate the elements of; decompose by dissociation.
  • To undergo dissociation; of an electrolyte in solution, to separate into ions some possessing positive and some negative electric charges, and capable of conveying an electric current by their motion through the solution with these charges.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms
  • v. regard as unconnected
  • v. part; cease or break association with

Etymologies

Latin dissociāre, dissociāt- : dis-, dis- + sociāre, to unite (from socius, companion; see sekw-1 in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)

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