Dissociation

n. cutting off, breaking off an association or connection

Dissociation has different meanings in different sciences.Dissociation (chemistry)Dissociation (psychology)Dissociation (neuropsychology)
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Dissociation /dis·so·ci·a·tion/ 1. the act of separating or state of being separated. 2. the separation of a molecule into two or more fragments [more]Dissociation - Community and Resources

Noun
1. the act of removing from association
(hypernym) separation
(derivation) disassociate, dissociate, divorce, disunite, disjoint
2. a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently
(synonym) disassociation
(hypernym) psychological state, mental state
(hyponym) compartmentalization, compartmentalisation
(derivation) disassociate, dissociate, divorce, disunite, disjoint
3. (chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions
(hypernym) chemical process, chemical change, chemical action
(derivation) dissociate
(classification) chemistry, chemical science

n. dissociation, separation