(organic chemistry) Any dicyano derivative of an imidazole

A dark brown oceanodromous fish, Scopelengys tristis, of the family Neoscopelidae.

In a studious manner.

To pass from a state of wakefulness into sleep. / (idiomatic, figuratively) To be affected by paresthesia; to go numb. / (poetic, euphemistic) To die (often seen on gravestones).