dis|so|ci|a|tion

dis|so|ci|a|tion
dis|so|ci|a|tion «dih SOH see AY shuhn, -shee-», noun.
1. a) the act of dissociating. SYNONYM(S): division, disunion. b) the state of being dissociated. SYNONYM(S): division, disunion.
2. Chemistry. a) the usually reversible changing of a substance into two or more simpler substances, such as occurs when calcium carbonate is heated to a high temperature and gradually decomposes into calcium oxide and carbon dioxide in such a way that upon subsequent lowering of the temperature the freed substances recombine into calcium carbonate. b) the separation of molecules of an electrolyte into constituent ions; ionization. Sodium and chlorine ions are formed by the dissociation of sodium chloride molecules in water.
3. Psychology. the separation of an idea or feeling from the main stream of consciousness. Also, disassociation.

Useful english dictionary. 2012.

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  • dis|af|fir|ma|tion — «DIHS af uhr MAY shuhn», noun. = disaffirmance. (Cf. ↑disaffirmance) …   Useful english dictionary

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  • dis|an|i|ma|tion — «dihs AN uh MAY shuhn», noun. 1. the act of depriving of life. 2. discouragement; a disheartening …   Useful english dictionary

  • dis|an|nex|a|tion — «dihs AN ehk SAY shuhn», noun. the process of disannexing; separation …   Useful english dictionary

  • dis|ap|pro|ba|tion — «DIHS ap ruh BAY shuhn», noun. = disapproval. (Cf. ↑disapproval) …   Useful english dictionary

  • dis|col|or|a|tion — «dihs KUHL uh RAY shuhn», noun. 1. the act of discoloring. 2. the state of being discolored. 3. a stain …   Useful english dictionary

  • dis|com|men|da|tion — «DIHS kom uhn DAY shuhn», noun. the act of discommending; dispraise: »Following the guidebook line, Nothing need detain the tourist here, some discommendations for persons planning a trip to Europe (Joseph Wechsberg) …   Useful english dictionary

  • dis|con|fir|ma|tion — «dihs KON fuhr MAY shuhn», noun. the act of disconfirming; invalidation; disproval: »Criteria of valid deduction can be and have been supplied providing general criteria of confirmation and disconfirmation [of hypotheses] (Scientific American) …   Useful english dictionary

  • dis|con|for|ma|tion — «dihs KON fr MAY shuhn», noun. a disconforming; failure or refusal to conform …   Useful english dictionary

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  • dis|cred|i|ta|tion — «dihs KREHD uh TAY shuhn», noun. 1. the act of discrediting. 2. the state or condition of being discredited …   Useful english dictionary

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