Primer vs. Primmer — What's the Difference?

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

Primmer is a surname.

A cap or cylinder containing a compound which responds to friction or an electrical impulse and ignites the charge in a cartridge or explosive

Precise or proper to the point of affectation; excessively decorous.

A small pump for pumping fuel to prime an internal combustion engine, especially in an aircraft

Strait-laced; prudish.

A molecule that serves as a starting material for a polymerization process

Neat and trim

An elementary textbook that serves as an introduction to a subject of study or is used for teaching children to read

To fix (the face or mouth) in a prim expression.

An elementary textbook for teaching children to read.

To make prim, as in dress or appearance.

A book that covers the basic elements of a subject.

To assume a prim expression.

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.

A prayer or devotional book intended for laity, initially an abridgment of the breviary and manual including the hours of the Virgin Mary, 15 gradual and 7 penitential psalms, the litany, the placebo and dirige forming the office of the dead, and the commendations.

Any of various similar works issued in England for private prayer in accordance with the Book of Common Prayer.

A children's book intended to teach literacy: how to read, write, and spell.

An introductory text on any subject, particularly basic concepts.

(New Zealand) An elementary school class; an elementary school student. (No longer used.)

Any substance or device, such as priming wire or blasting cap, used to ignite gunpowder or other explosive.

A person who primes explosives.

A substance used to prime wood, metal, etc. in preparation for painting.

A layer of such a substance.

A layer of makeup that goes beneath the foundation; undermakeup.

A person who primes wood, metal, etc.

A molecule which initiates the synthesis of an enzyme, (especially) a single-stranded nucleic acid molecule which initiates DNA replication.

A pheromone which interacts first with the endocrine system.

A device used to prime an internal combustion engine with gasoline, (especially) in airplanes.

A person who prunes trees.

(obsolete) First in time, initial, early.

(obsolete) First in importance, premier.

First in position, foremost.

One who, or that which, primes

Originally, a small prayer book for church service, containing the little office of the Virgin Mary; also, a work of elementary religious instruction.

A small elementary book for teaching children to read; a reading or spelling book for a beginner.

A kind of type, of which there are two species; one, called long primer, intermediate in size between bourgeois and small pica [see Long primer]; the other, called great primer, larger than pica.

First; original; primary.

An introductory textbook

Any igniter that is used to initiate the burning of a propellant

The first or preliminary coat of paint or size applied to a surface