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Related topics: Weapons, School, Construction
1 [uncountable and countable]TBC paint that you put on the surface of wood, metal etc before you put on the main layer of paint
2 [countable]PMW a tube that contains explosive and is used to fire a gun or explode a bomb
3 [countable] American English a book that contains basic information about something
primer on/of
a primer on Italian wines
a primer of good management techniques
4 [countable] old-fashionedSES a school book that contains very basic facts about a subject

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