Incapable of being extinguished, not extinguishable.
inextinguishably
inextinguishably
adv
In a way that cannot be extinguished; immortally.
nonexhibitionism
phenoxybenzamine
phenoxybenzamine
noun
(pharmacology) A drug that blocks the activity of alpha-receptors and is used in the form of its hydrochloride C₁₈H₂₂ClNO·HCl especially to treat hypertension and sweating due to pheochromocytoma.