1. 
   Rhotacism
   Rho'ta·cism noun [ Greek 'rwtaki`zein to use the letter r (ρ) overmuch: confer French rhotacisme .] An oversounding, or a misuse, of the letter r ; specifically (Phylol.) , the tendency, exhibited in the In...
   Found op http://www.encyclo.co.uk/webster/R/78
   
   
2. 
   rhotacism
   Mispronunciation of the 'r' sound. ... Origin: G. Rho, the letter r ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?rhotacism
   
   
3. 
   rhotacism
   (ro´tә-sizm) a speech disorder consisting of imperfect pronunciation of the r sound. Called also pararhotacism.
   Found op http://www.encyclo.co.uk/local/21001
   
   
4. 
   Rhotacism
   • (n.) An oversounding, or a misuse, of the letter r; specifically (Phylol.), the tendency, exhibited in the Indo-European languages, to change s to r, as wese to were.
   Found op http://thinkexist.com/dictionary/meaning/rhotacism/
   
   
5. 
   Rhotacism
   Rhotacism refers to several phenomena related to the usage of the consonant r (whether as an alveolar tap, alveolar trill, or the rarer uvular trill): The term comes from the Greek letter rho, denoting "r". ==Orthoepy== In medicine, rhotacism is the inability or difficulty in pronouncing the sound ...
   Found op http://en.wikipedia.org/wiki/Rhotacism
   
   
6. 
   rhotacism
   Type: Term Pronunciation: rō′tă-sizm Definitions: 1. Mispronunciation of the 'r' sound.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=78353
   
   

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