(chemistry) One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid.

In a lethal manner, in manner which is or will be fatal.

Any gene that brings about the death of an organism carrying it; usually the result of a mutation.

The dose of a substance or of radiation likely to cause death (sometimes suffixed with a number).

In a lethargic manner, without energy, tiredly.

plural of lethal injection

The fact of something being lethal; the ability of something to kill. / The rate of death of organisms exposed to something.

A means of execution or of euthanasia in which a person is injected with a fatal dose of drugs.

Obsolete form of lethargic.

plural of lethal chamber