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rhotacism

[ roh-tuh-siz-uhm ]
/ ˈroʊ təˌsɪz əm /
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noun
Historical Linguistics. a change of a speech sound, especially (s), to (r), as in the change from Old Latin lases to Latin lares.
excessive use of the sound (r), its misarticulation, or the substitution of another sound for it.
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Origin of rhotacism

1825–35; <Greek rhôrho + (io)tacism

OTHER WORDS FROM rhotacism

rho·ta·cis·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for rhotacism

rhotacism
/ (ˈrəʊtəˌsɪzəm) /

noun phonetics
excessive use or idiosyncratic pronunciation of r

Derived forms of rhotacism

rhotacist, nounrhotacistic, adjective

Word Origin for rhotacism

C19: from New Latin rhōtacismus, from Greek rhōtakizein (verb) from the letter rho
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
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