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rho·ta·cism | \ ˈrō-tə-ˌsiz-əm 
\
\Definition of rhotacism
1 : a defective pronunciation of r especially : substitution of some other sound for that of r
2 linguistics : the historical change of a voiced consonant sound (such as the alveolar consonants \z\, \d\, \l\ or \n\) to an r-like consonant
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More Definitions for rhotacism
rhotacism
nounrho·ta·cism | \ ˈrōt-ə-ˌsiz-əm \
\Medical Definition of rhotacism
: a defective pronunciation of r especially : substitution of some other sound for that of r
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