English Dictionary

primer

/ˈpɹaɪ.mə(ɹ)/

noun

Any substance or device, such as priming wire or blasting cap, used to ignite gunpowder or other explosive. / (obsolete, rare) A person who primes explosives.

I need to apply a primer before painting the walls.

意味（1）

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

The percussion primer, known as the “ 110-grain percussion primer,” contains an igniting charge of 95 grains of black powder in addition to the essential elements of a percussion primer.

意味（2）

(obsolete, rare) A person who primes explosives.

意味（3）

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

意味（4）

A layer of such a substance.

意味（5）

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

The undermakeup (primer) should be allowed to dry-set for 30 seconds. Apply foundation over the primer with a sponge using light, careful strokes to blend. Undermakeups come in cream form, sponge-on wands, or sponge-on cream, and as a lotion.

意味（6）

(obsolete, rare) A person who primes wood, metal, etc.

意味（7）

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

意味（8）

(medicine, zoology) A pheromone which interacts first with the endocrine system.

意味（9）

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

意味（10）

A person who prunes trees.