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R, 18th letter of the alphabet alphabet [Gr. alpha-beta, like Eng. ABC], system of writing , theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics ). Few alphabets have achieved the ideal exactness. ..... Click the link for more information. , corresponding to Greek rho. When in Latin alphabets the letters for p and r became similar in appearance, the rho form (P; which at first was used for the r sound) was restricted to the p sound, and an extra line was added for the r sound (R). In Greek, where no confusion developed, the rho continued to look like Latin P. A modification of R is the symbol ℞, used medically for recipe [Lat.,=take] and liturgically for responsum [Lat.,=response]. r (nucleonics) R (nucleonics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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