DISSOCIATE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does dissociate mean? 

• DISSOCIATE (verb)
  The verb DISSOCIATE has 3 senses:

1. part; cease or break association with

2. regard as unconnected

3. to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms

  Familiarity information: DISSOCIATE used as a verb is uncommon.

 Dictionary entry details 

• DISSOCIATE (verb)

Present simple: I / you / we / they dissociate    ... he / she / it dissociates   
Past simple: dissociated   
Past participle: dissociated   
-ing form: dissociating   

Sense 1

Meaning:

Part; cease or break association with

Classified under:

Verbs of political and social activities and events

Synonyms:

disassociate; disjoint; dissociate; disunite; divorce

Context example:

She disassociated herself from the organization when she found out the identity of the president

Hypernyms (to "dissociate" is one way to...):

break; break up; part; separate; split; split up (discontinue an association or relation; go different ways)

Sentence frame:

Somebody ----s PP

Derivation:

dissociation (the act of removing from association)

dissociation (a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently)

Sense 2

Meaning:

Regard as unconnected

Classified under:

Verbs of thinking, judging, analyzing, doubting

Synonyms:

decouple; dissociate

Context example:

decouple our foreign policy from ideology

Hypernyms (to "dissociate" is one way to...):

differentiate; distinguish; secern; secernate; separate; severalise; severalize; tell; tell apart (mark as different)

Sentence frame:

Somebody ----s something

Antonym:

associate (make a logical or causal connection)

Derivation:

dissociation (the act of removing from association)

dissociation (a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently)

dissociative (tending to produce dissociation)

Sense 3

Meaning:

To undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms

Classified under:

Verbs of size, temperature change, intensifying, etc.

Context example:

acids dissociate to give hydrogen ions

Hypernyms (to "dissociate" is one way to...):

break down; break up; decompose (separate (substances) into constituent elements or parts)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

Sentence frame:

Something ----s

Derivation:

dissociation ((chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions)

 Context examples 

S-thiolation of Hsp27 on cysteine also dissociates oligomers and may provide another route of regulating the action of Hsp27 in stress.

(HSP27 Regulation Pathway, NCI Thesaurus/BIOCARTA)

Inactive G proteins consist of alpha/beta/gamma complexes that signal as dissociated GTP-bound alpha subunit or the beta/gamma complex.

(Heterotrimeric G Protein Subunit Gene, NCI Thesaurus)

In most cases, Gbg subunits cannot be dissociated under nondenaturing conditions.

(Heterotrimeric G Protein, NCI Thesaurus)

Following intravenous administration, iron sucrose is dissociated by the reticuloendothelial system into iron and sucrose; the sucrose component is eliminated mainly by urinary excretion.

(Iron Sucrose Injection, NCI Thesaurus)

Lanthanum, when administered in a salt form, dissociates in acid to release lanthanum ions, which then bind dietary phosphate.

(Lanthanum, NCI Thesaurus)

A unit of osmotic pressure equal to one thousandth of osmole or osmotic pressure of 0.001 molar solution of a substance that does not dissociate.

(Milliosmole, NCI Thesaurus)

A unit of osmotic pressure equal to one millionth of an osmole or the osmotic pressure of a 10E-6 molar solution of a substance that does not dissociate.

(Microosmole, NCI Thesaurus)

Lanthanum carbonate dissociates in gastric acid to release lanthanum ions, which then binds dietary phosphate.

(Lanthanum Carbonate, NCI Thesaurus)

Phosphorylation of p53 dissociates it from MDM2, activating its DNA binding activity.

(G2/M Checkpoint Pathway, NCI Thesaurus/BIOCARTA)

Class A GPCRs, for example the b2 adrenergic receptor, rapidly dissociate from b-arrestin upon internalization.

(GPCR Desensitization Pathway, NCI Thesaurus/BIOCARTA)