scopolamine
1. [ noun ] (chemistry,medicine,ophthalmology,pharmacology) an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
Synonyms: hyoscine
Examples:

"transdermal scopolamine is used to treat motion sickness" "someone sedated with scopolamine has difficulty lying"

Related terms: alkaloid
Similar spelling:   Scopolia