plural of death factor

(biochemistry) Any of various substances that cause apoptosis in cells

plural of death knell

The tolling of a bell announcing death. / (idiomatic, by extension) A sign or omen foretelling the death or destruction of something.

A human skull, as symbol of death. / A kind of hawk moth with pale markings on the back of the thorax somewhat like a skull.

(law) A punishment in which the offender is put to death by the state.

Synonym of suicide by cop / Used other than figuratively or idiomatically: see death, by, cop.

The deadly poisonous mushroom Amanita phalloides.

(poetic, figuratively, cliche) A very narrowly avoided, or close to, fatal situation.

plural of death squad