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Definition of Tangentiality
1. Noun. (medicine) A mental condition in which one tends to digress from the topic under discussion, especially by word association. ¹
¹ Source: wiktionary.com
Medical Definition of Tangentiality
1. A disturbance in the associative thought process in which one tends to digress readily from one topic under discussion to other topics which arise in the course of associations; observed in bipolar disorder and schizophrenia and certain types of organic brain disorders. Compare: circumstantiality. Origin: off on a tangent, fr. L. Tango, to touch (05 Mar 2000)