lambdacism

American  

[lam-duh-siz-uhm] / ˈlæm dəˌsɪz əm /

noun

1. a speech articulation error or disorder characterized by excessive use of the sound l, as in its substitution for other consonant sounds.

2. lallation.

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lambdacism British  

/ ˈlæmdəˌsɪzəm /

noun

1. excessive use or idiosyncratic pronunciation of l

2. another word for lallation

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Etymology

Origin of lambdacism

First recorded in 1650–60; from Latin labdacismus, from Greek labdakismós, equivalent to labda, lambda lambda + -kismos, as in iōtakismós iotacism