Selenide
A selenide was a chemical compound containing an anion of selenium, Se2-.

Dinaali medkits were composed of selenide, which blocked their sensors. After being confined to Level Blue on Hospital Ship 4-2 in 2377, The Doctor asked Doctor Voje to deactivate him and place his mobile emitter inside such a medkit, so as to smuggle him to Level Red. ()

See also
Cadmium selenide
Cobalt diselenide

Chemical compounds