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| prim·er [ prmər ] (plural prim·ers) |
noun |
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| Definition: |
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1. undercoat: a paint or sealant used to prepare a surface for painting or a similar process, or a coat of this material
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2. priming agent: a person or device that primes something
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3. explosive igniter: a small container or wafer of explosive material such as gunpowder, used to ignite the main explosive charge of a firearm or explosive
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4. biochemistry genetic material: a short sequence of RNA that is made before DNA formation can proceed
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| [15th century. <prime2] |
