Look up: r

1. R
   (RIPE) A collaboration between European networks which use the TCP/IP protocol suite to provide Internet services. (1994-11-30)
   Found on http://foldoc.org/R
   
   
2. R
   (chat) (RSVP) French for 'please reply', commonly found (abbreviated) on invitations. (1996-12-02)
   Found on http://foldoc.org/R
   
   
3. R
   (RARE) An association of national and international European networks and users. See also CCIRN. (1994-11-30)
   Found on http://foldoc.org/R
   
   
4. R
   R, 18th letter of the alphabet, 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 confu...
   Found on http://www.infoplease.com/ce6/society/A0
   
   
5. R
   Type: Symbol Definitions: 1. Abbreviation or symbol for electrical resistance; radical (usually an alkyl or aryl group, ROH is an alcohol, RNH₂ an amine); Réaumur; respiration; respiratory exchange ratio; roentgen; the remainder of a chemical formula; the calculated unit representing vascular resistance in the cardiovascular ...
   Found on http://www.medilexicon.com/medicaldictio
   
   
6. R
   Type: Term Definitions: 1. Symbol for gas constant; one of two stereochemical designations in the Cahn, Ingold, and Prelog system; the third product formed in an enzyme-catalyzed reaction.
   Found on http://www.medilexicon.com/medicaldictio
   
   
7. r
   Type: Abbreviation Definitions: 1. Abbreviation for roentgen; radius.
   Found on http://www.medilexicon.com/medicaldictio
   
   
8. r
   Type: Term Definitions: 1. Symbol for correlation coefficient. 2. Abbreviation for racemic, occasionally used in naming compounds in place of the more common dl or (±), as 'r-alanine' (more often as the prefix rac-).
   Found on http://www.medilexicon.com/medicaldictio
   
   
9. R
   Rome (Italy)
   Found on http://www.time-lines.co.uk/glossary-of-
   
   
10. R
    small motor minesweepers.
    Found on http://en.wikipedia.org/wiki/Glossary_of
    
    
11. R
    retreat.
    Found on http://en.wikipedia.org/wiki/Glossary_of
    
    
12. r
    are
    Found on http://www.netlingo.com/acronyms.php
    
    
13. R
    `R` (, date=July 2010-->; English_alphabet#Letter_names|named ar or or) is the eighteenth letter of the basic modern Latin alphabet. History: ! Egyptian hieroglyph <br/> tp ! Phoenician <br/> resh ! Etruscan R ! Greek <br/> Rho ! Later Etruscan R The origi...
    Found on http://en.wikipedia.org/wiki/R
    
    
14. R
    (complexity) In computational complexity theory, `R` is the class of decision problems solvable by a Turing machine, which is the set of all recursive languages. R is equal to the set of all total computable functions. Since we can decide any problem for which there exists a recogniser and al...
    Found on http://en.wikipedia.org/wiki/R
    
    
15. R
    (cable operator) `R` is the trading name of `R Cable y Telecomunicaciones Galicia, S.A.`, a Spanish cable company based in Galicia, Spain offering quadruple play services, (telephone, mobile phone, Internet and A Mundo-R telephone booth in Vigo. </gallery> External links:
    Found on http://en.wikipedia.org/wiki/R