an antihistamine drug used to treat allergies and to prevent vomiting, esp in motion sickness
Word origin
C20: from pro(pyl) + (di)meth(ylamine) + (phenothi)azine
promethazine in American English
(prouˈmeθəˌzin, -zɪn)
noun
Pharmacology
a phenothiaxine derivative, C17H20N2S, used for the symptomatic relief of allergies and in the management of motion sickness
Word origin
[1950–55; propyl + (di)meth(ylamine) + (phenothi)azine, components of its chemical name]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: action painting, bleep, conflict of interest, drip-dry, point spread
Examples of 'promethazine' in a sentence
promethazine
Two of the most common are old-fashioned adrenaline-like decongestants (eg pseudoephedrine) and sedating anti-histamines (egpromethazine).