plural of Darwin Award

(physics) The temperature-dependent current that flows in a photodetector when no light is shining on it.

(idiomatic) To try or guess at something without having any knowledge about the subject.

An environment that has some of the physiological effects of darkness.

(see usage notes) The period of European history encompassing (roughly) 476–1000 CE. / (Ancient Greece) The Greek Dark Ages (c. 1100–750 BCE). / The dark ages of Cambodia (c. 1450–1863).

Having a relatively dark skin.

Any of the poisonous frogs of the family Dendrobatidae.

Alternative form of dark lantern

(colloquial) To make a show of bravery despite one's fears; to put on a brave face. / (idiomatic, US) To speak of something despite having little knowledge of it.

Somewhat dark.