[ loh-buh-leen, -lin ]
/ ˈloʊ bəˌlin, -lɪn /

noun Pharmacology.

a crystalline, poisonous alkaloid, C22H27NO2, obtained by extraction from lobelia: used chiefly in the form of its sulfate or hydrochloride as a respiratory stimulant and, because of its nicotinelike pharmacological action, as an agent to discourage tobacco smoking.

Origin of lobeline

First recorded in 1835–45; lobel(ia) + -ine2(def 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for lobeline

/ (ˈləʊbəˌliːn) /


a crystalline alkaloid extracted from the seeds of the Indian tobacco plant, used as a smoking deterrent and respiratory stimulant

Word Origin for lobeline

C19: from lobelia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012