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   primer

   /ˈprʌɪmə/

   noun

   • 1. a substance used as a preparatory coat on wood, metal, or canvas, especially to prevent the absorption of subsequent layers of paint or the development of rust: "apply three coats of primer"
   • ▪ a cosmetic applied to the face before another product, intended to improve the coverage and lasting effect of the second product: "it's best to apply primer around the eye to help the make-up blend properly"
   • 2. a cap or cylinder containing a compound which responds to friction or an electrical impulse and ignites the charge in a cartridge or explosive: "the nitro-cellulose is ignited by the spark that comes from the primer"
   • 3. a small pump for pumping fuel to prime an internal combustion engine, especially in an aircraft: "no more than four pumps of the primer usually suffice"
   • 4. a molecule that serves as a starting material for a polymerization process: "the duplex RNA primer cannot initiate DNA replication"

   Scrabble Points: 10

   • P

     3

   • R

     1

   • I

     1

   • M

     3

   • E

     1

   • R

     1

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