1. (Tools) a piece of equipment for measuring the hardness of a material, in particular plastic or rubber. 2. (Units) the measurement of the hardness of a material, in particular plastic or rubber.
The DSM-5 was published on May 18, 2013, superseding the DSM-IV-TR, which was published in 2000.
The first DSM (Diagnostic and Statistical Manual of Mental Disorders), psychiatryâs diagnostic bible, was published by the American Psychiatric Association in 1952 and listed 106 disorders (initially called âreactionsâ). DSM-2 was published in 1968, and the number of disorders increased to 182.