- 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.
- a simple book for teaching reading to beginners
- a textbook giving the first principles of any subject
Origin of primerMiddle English prymer ; from Medieval Latin primarius ; from Classical Latin primus, first: see prime
- 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
- An elementary textbook for teaching children to read.
- A book that covers the basic elements of a subject.
Origin of primerMiddle English, devotional manual, from Norman French, from Medieval Latin pr&imacron;marium, from neuter of pr&imacron;marius, first, from Latin, from pr&imacron;mus; see prime.
- A cap or tube containing a small amount of explosive used to detonate the main explosive charge of a firearm or mine.
- An undercoat of paint or size applied to prepare a surface, as for painting.
- Genetics A segment of DNA or RNA that is complementary to a given DNA sequence and that is needed to initiate replication by DNA polymerase.
- An elementary textbook introducing a topic, or teaching basic concepts.
- 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)
- (biology) A single-stranded nucleic acid molecule required for the initiation of replication of a DNA molecule.
- Any substance used to start a fire.
- 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.
- 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.
- A device used to circulate gasoline into the ignition chamber of an engine.
- (obsolete) First; original; primary.