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n. an alcohol derivative introduced in the 1950s as a nonbarbiturate sedative. Ethchlorvynol is an effective, rapidly acting hypnotic, but because of its toxicity in overdose, as well as its ability to induce enzymes involved in drug metabolism (see enzyme induction) and its association with blood disorders, it has become clinically obsolete. It is at times a substance of abuse. U.S. trade name: Placidyl.

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Psychology term of the day

March 3rd 2024



1. symbol for the coefficient of concordance.

2. symbol for the statistic obtained from the Wilcoxon rank-sum test.