C1 noun /ˈpraɪ.mər/ (US), /ˈprɪm.ər/ (UK)
primer
manuel introductif, apprêt
Meaning
A basic introductory book or a substance used to prepare a surface for painting.
Example
He read a primer on programming before starting his course.
Il a lu un manuel d'introduction à la programmation avant de commencer son cours.