allobarbital al·lo·bar·bi·tal (āl'ō-bär'bĭ-tôl', -tāl')
n.
A white, crystalline powder used as a sedative and hypnotic.
| a gadget; dingus; thingumbob. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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