primer
/ˈpɹaɪmɚ/ noun C2- Any substance or device, such as priming wire or blasting cap, used to ignite gunpowder or other explosive.
- 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 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.
Plural primers
From the library
Ann Shirley must learn to control her temper,” and then read it out loud so that even the primer class, who couldn’t read writing, should understand it.
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