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

(medicine) The lowest pharmaceutical dosage required to cause effect in 50% of average individuals.

Alternative form of underdose

present participle of under-dose

Alternative form of underdose

simple past tense and past participle of under-dose

Synonym of LD50

(of drugs) a large amount

A particularly large dose of a drug, administered in an emergency as heroic medicine, or (in the case of recreational drugs) to produce very pronounced hallucinogenic effects.

A device that helps to deliver a specific amount of medication to the lungs, usually by supplying a short burst of aerosolized medicine that is inhaled by the patient.