Definition of dissociation in English:


Syllabification: dis·so·ci·a·tion
Pronunciation: /diˌsōsēˈāSHən


  • 1The disconnection or separation of something from something else or the state of being disconnected: the dissociation between the executive and the judiciary is the legacy of the Act of Settlement
    More example sentences
    • For simplicity, the times separating association and dissociation events of the transcription factors are modeled as a random variable that follows a Poisson distribution.
    • Single stomach smooth muscle cells were isolated by enzymatic dissociation with trypsin and collagenase as described previously.
    • It is that dissociation that has so troubled us, so alienated us.
    separation, disconnection, detachment, severance, divorce, split; segregation, division
    literary sundering
  • 1.1 Chemistry The splitting of a molecule into smaller molecules, atoms, or ions, especially by a reversible process.
    More example sentences
    • The energy required for a chemical reaction depends on the bond dissociation energy of the atoms comprising the molecules.
    • In the case of diatomic molecules, the dissociation energy refers to the energy required to break the gaseous molecules into their constituent atoms.
    • Wigner's thesis contains the first theory of the rates of association and dissociation of molecules.
  • 1.2 Psychiatry Separation of normally related mental processes, resulting in one group functioning independently from the rest, leading in extreme cases to disorders such as multiple personality.
    More example sentences
    • Dissociative experiences are considered to range from the minor dissociations of everyday life to dissociative psychopathology, with higher scores on the DES indicating a greater degree of dissociation.
    • Even when the corpus callosum is intact, striking dissociations of consciousness can be demonstrated.
    • More recent thinking, again of researchers working with adults, has raised questions about the meaning of explicit-implicit dissociations in directed forgetting.

More definitions of dissociation

Definition of dissociation in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day skosh
Pronunciation: skōSH
a small amount; a little