Primer meaning

prĭm'ər
The definition of a primer is a coating that is applied to prepare a surface before the actual paint color is applied, or a textbook that is given to students to help them learn how to read.

A sizing that is applied to a wall to prepare the surface for paint is an example of a primer.

A book that has very simple and easy words and sentences (like "See Jane run.") designed to help a child learn to read is an example of a primer.

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An elementary textbook for teaching children to read.
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A book that covers the basic elements of a subject.
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A cap or tube containing a small amount of explosive used to detonate the main explosive charge of a firearm or mine.
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An undercoat of paint or size applied to prepare a surface, as for painting.
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A segment of DNA or RNA that is complementary to a given DNA sequence and that is needed to initiate replication by DNA polymerase.
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A simple book for teaching reading to beginners.
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A textbook giving the first principles of any subject.
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A person or thing that primes.
  • A small cap, tube, etc. containing an explosive, used to set off a main charge.
  • Paint, sizing, etc. used as a preparatory coating on a raw surface.
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A segment of DNA or RNA that is complementary to a given DNA sequence and that is needed to initiate replication by DNA polymerase.
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An elementary textbook introducing a topic, or teaching basic concepts.
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An elementary book for teaching children to learn the alphabet and to read, write and spell.

Kennedy's New Latin Primer (an introductory grammar, published 2008)

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(biology) A single-stranded nucleic acid molecule required for the initiation of replication of a DNA molecule.
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Any substance used to start a fire.
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A small charge that burns furiously when given sufficient electrical current (Explosive primer) or when struck with force (percussion caps) that ignites the main combustable substances in explosives or ammunition.
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A layer of paint designed to underlay a topcoat, used to enhance the adhesion and durability of the topcoat and help in protection of the surface.
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A device used to circulate gasoline into the ignition chamber of an engine.
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(obsolete) First; original; primary.
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Origin of primer

  • Middle English devotional manual from Norman French from Medieval Latin prīmārium from neuter of prīmārius first from Latin from prīmus prime
    From American Heritage Dictionary of the English Language, 5th Edition