primer
//ˈpraɪ.mər//
Noun
primerSingular
primersPlural
1
An elementary textbook or introductory guide that serves as a basic introduction to a subject.
This book is an excellent primer on economics for beginners.
2
A short informative piece of writing that provides essential background information on a topic.
This article serves as a primer on climate change for beginners.
Synonym
Noun
primerSingular
primersPlural
1
A substance used as a preparatory coat on a surface before painting, to improve adhesion and durability.
Apply a primer before painting the wall to ensure the paint adheres properly.
2
A small explosive charge used to ignite a larger explosive or propellant.
The technician carefully inserted the primer into the explosive device.