Also found in: Dictionary, Thesaurus, Legal, Financial, Idioms, Encyclopedia, Wikipedia.
in psychoanalytic theory, a primitive defense mechanism in which the self and internal and external objects are divided into parts that are either “all good” or “all bad.” Characteristic of very young children, it is also seen in those with borderline personality disorder and sometimes in those with other personality disorders or psychoses.
In chemistry, the cleavage of a covalent bond, fragmenting the molecule involved.
1. the division of a single object into two or more objects or parts.
2. in psychoanalytic theory, a primitive defense mechanism, in which “objects” (persons) are perceived as “all good” or “all bad” rather than as an intermediate or mixture.
splitting of heart sounds the presence of two components in the first or second heart sound complexes; particularly denoting separation of the elements of the second sound into two, representing aortic valve closure and pulmonic valve closure.
a primitive defense mechanism that when overused represents a developmental arrest. It is a failure to synthesize the positive and negative experiences and ideas one has of oneself, other people, situations, and institutions.
'splitting'Academia Hair-splitting The division of a morbid condition, lesion, or other entity into smaller subtypes–eg, dividing Laurence-Moon-Biedl-Bardet syndrome into Laurence-Moon and Bardet-Biedl syndromes. Cf 'Lumping' Drug slang A street term for rolling marijuana and cocaine.
chemistry The cleavage of a covalent bond, fragmenting the molecule involved.