[lam-duh-siz-uh m]

noun Phonetics.

excessive use of the sound l, its misarticulation, or its substitution for the sound r.

Compare lallation.

Origin of lambdacism

1650–60; < Latin labdacismus < Greek labdakismós equivalent to labda, lambda lambda + -kismos, as in iōtakismós iotacism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for lambdacism


noun phonetics

excessive use or idiosyncratic pronunciation of l
another word for lallation

Word Origin for lambdacism

C17: from Late Latin labdacismus, from Greek
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