Primer
/prˈaɪmər/
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Definition
(noun) 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.
Sentence Examples
This book's a good primer on the subject, but it doesn't go into much depth.
Do you need to sand primer?
CEFR Practice Quiz
The painter applied a coat of ____ to the wall before adding the final color to ensure adhesion.