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Meaning of dissociation

dis•so•ci•a•tion

Pronunciation: (di-sō"sē-ā'shun, -shē-ā'-), [key]
— n.
  1. an act or instance of dissociating.
  2. the state of being dissociated; disjunction; separation: the dissociation of church and state.
    1. the reversible resolution or decomposition of a complex substance into simpler constituents caused by variation in physical conditions, as when water gradually decomposes into hydrogen and oxygen under great heat in such a way that when the temperature is lowered the liberated elements recombine.
    2. Seeelectrolytic dissociation.
  3. the splitting off of a group of mental processes from the main body of consciousness, as in amnesia or certain forms of hysteria.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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