a white, crystalline, water-insoluble powder, C13H15NO2, used as a hypnotic and sedative
Word origin
[1950–55; glute(n) + thi- + (a)mide]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: action painting, conflict of interest, hot line, point-of-sale, speech recognition