dissociation(redirected from atrial dissociation)
Also found in: Thesaurus, Medical, Encyclopedia.
1. The act of dissociating or the condition of having been dissociated.
a. The process by which the action of a solvent or a change in physical condition, as in pressure or temperature, causes a molecule to split into simpler groups of atoms, single atoms, or ions.
b. The separation of an electrolyte into ions of opposite charge.
3. Psychiatry A disintegration or fragmentation of the mind in which memories, thoughts, or aspects of the personality become disconnected, as in multiple personality disorder or some kinds of amnesia.
dis·so′ci·a′tive (-ə-tĭv) adj.
1. the act of dissociating or the state of being dissociated
2. (Chemistry) chem
a. a reversible chemical change of the molecules of a single compound into two or more other molecules, atoms, ions, or radicals
b. any decomposition of the molecules of a single compound into two or more other compounds, atoms, ions, or radicals
3. (Chemistry) separation of molecules or atoms that occurs when a liquid or solid changes to a gas
4. (Psychiatry) 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
dis•so•ci•a•tion(dɪˌsoʊ siˈeɪ ʃən, -ʃiˈeɪ-)
1. an act or instance of dissociating.
2. the state of being dissociated; disjunction; separation.
3. the decomposition of a substance into simpler molecules or atoms with the addition of heat or energy.
4. the splitting off of a group of mental processes from the main body of consciousness, as in amnesia or certain forms of hysteria.
[1605–15; < Latin dissociātiō]
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.
The breaking down of a molecule into smaller molecules, atoms or ions.
Switch to new thesaurus
|Noun||1.||dissociation - the act of removing from association|
separation - the act of dividing or disconnecting
|2.||dissociation - a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently|
mental condition, mental state, psychological condition, psychological state - (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic; "a manic state"
dissociative disorder - dissociation so severe that the usually integrated functions of consciousness and perception of self break down
|3.||dissociation - (chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
dissociation[dɪˌsəʊsɪˈeɪʃən] N → disociación f
n → Trennung f, → Dissoziation f (geh, Chem, Psych)
dissociation[dɪˌsəʊsɪˈeɪʃ/ən] n → dissociazione f
1. n. disociación.
2. acción y efecto de separar;
3. descomposición de un agregado molecular en otros más sencillos;
separación inconsciente de la personalidad propia de la esquizofrenia, con efectos que resultan en un trastorno de las asociaciones del pensamiento;
atrial ___ → ___ atrial;
atrioventricular ___ → ___ atrioventricular;
pupillary light-near ___ → ___ pupilar por cercanía de luz;
sleep ___ → ___ del sueño;
visual-kinetic ___ → ___ visual quinética.