Definition of dissociation in English:


Line breaks: dis|soci|ation
Pronunciation: /dɪˌsəʊʃɪˈeɪʃ(ə)n
, -sɪ-/


[mass noun]
  • 1The action of disconnecting or separating or the state of being disconnected: we in the West honour a long-standing dissociation between church and state
    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.
  • 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: [count noun]: the dissociations that one can observe in neuropsychological patients
    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 adverts and access premium resources

Word of the day kerf
Pronunciation: kəːf
a slit made by cutting with a saw