• noun
• synonym
• antonym

• noun
• synonym
• antonym

• CD-R (noun)
  1. compact disc - recordable a type of CD that you can record music, images, or other information onto, using special equipment on your computer, and that can be recorded onto only once
• D.P.R.K. (noun)
  1. a communist country in the northern half of the Korean Peninsula; established in 1948
• R & B (noun)
  1. rhythm and blues a style of popular music that is a mixture of BLUES and JAZZ
• R & D (noun)
  1. research and development the part of a business concerned with studying new ideas and planning new products
• R & R (noun)
  1. especially American English rest and relaxation a holiday, especially one given to people in the army, navy etc after a long period of hard work or during a war
• R and A, the
• R and B (noun)
  1. a combination of blues and jazz that was developed in the United States by Black musicians; an important precursor of rock 'n' roll
• R value (noun)
  1. a measure of thermal resistance used in building and construction, with larger values corresponding to better insulation and less heat loss; it is the inverse of the U value
• R'n'B (noun)
  1. a combination of blues and jazz that was developed in the United States by Black musicians; an important precursor of rock 'n' roll
• R'n'R (noun)
  1. a genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western
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