dissociation

[ dih-soh-see-ey-shuhn, -shee-ey- ]

noun

1. an act or instance of dissociating.
2. the state of being dissociated; disjunction; separation:

   the dissociation of church and state.

3. Physical Chemistry.
   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. electrolytic dissociation.
4. Psychiatry. the splitting off of a group of mental processes from the main body of consciousness, as in amnesia or certain forms of hysteria.

dissociation

/ dɪˌsəʊsɪˈeɪʃən; -ʃɪ- /

noun

1. the act of dissociating or the state of being dissociated
2. chem
   1. a reversible chemical change of the molecules of a single compound into two or more other molecules, atoms, ions, or radicals
   2. any decomposition of the molecules of a single compound into two or more other compounds, atoms, ions, or radicals
3. separation of molecules or atoms that occurs when a liquid or solid changes to a gas
4. psychiatry the separation of a group of mental processes or ideas from the rest of the personality, so that they lead an independent existence, as in cases of multiple personality

dissociation

/ dĭ-sō′sē-ā′shən /

1. The separation of a substance into two or more simpler substances, or of a molecule into atoms or ions, by the action of heat or a chemical process. Dissociation is usually reversible.

Other Words From

• self-dis·soci·ation noun

Word History and Origins

Origin of dissociation¹

First recorded in 1605–15; dis- ¹ + (as)sociation, modeled on Latin dissociātiō “separation”

Example Sentences

Two weeks before Perry’s death, the FDA warned consumers about ketamine's off-label use, noting “the lack of monitoring for adverse events, such as sedation and dissociation, by an onsite health care provider may put patients at risk”.

From BBC

Famously, it creates a state known as dissociation while maintaining near-normal respiratory function and minimal negative impact on the heart.

From Slate

“These drugs he was taking, in the period of time when Zuccarini was arranging the secret wedding and having him sign oppressive documents, are known to have significant effects on cognition, including confusion, hallucinations, torpor, depression, memory loss, and dissociation.”

From Los Angeles Times

Today, the once-controversial jokes of the online sad girl are ubiquitous far beyond their original little corner of the internet, with people posting casually about depression and dissociation on their otherwise professional Twitter accounts.

From Salon

He added, “I have suffered from dissociation all my life, but somehow the linkage between ‘qi’ and art has given me focus and hope.”

From New York Times