primer
/'praimə/
Definition
- Noun:
- An introductory textbook: A book that provides basic or elementary instruction in a subject, often used by beginners.
- The first or preliminary coat of paint or size applied to a surface: A preparatory coating used to seal, protect, or create a suitable base for subsequent layers of paint.
- Any igniter that is used to initiate the burning of a propellant: A device or substance (like a cap or powder) used to ignite an explosive charge or the fuel in an engine.
Examples of Usage
- Noun (Introductory textbook):
- She bought a primer on computer programming to learn the basics.
- This book serves as an excellent primer for students of economics.
- Noun (Preliminary coat):
- Apply a coat of primer to the wall before painting it.
- The wood was treated with a stain-blocking primer.
- Noun (Igniter):
- The soldier carefully inserted the primer into the artillery shell.
- A faulty primer caused the cartridge to misfire.
Advanced Usage
- "Primer coat": Specifically refers to the initial layer of paint or sealant.
- The primer coat must be completely dry before applying the finish paint.
- "Primer sequence" (in genetics): A short strand of nucleic acid that serves as a starting point for DNA synthesis. (Note: This is a specialized scientific compound term, listed here as advanced usage).
- The experiment required a specific primer sequence to amplify the DNA segment.
Variants and Related Words
- Prime (verb): To prepare something, often by applying a primer.
- He primed the canvas before starting the oil painting.
- Priming (noun): The act or material used in applying a primer.
- Proper priming is essential for a good paint job.
Synonyms
- Introduction (for the textbook meaning): A preliminary explanation.
- Undercoat (for the paint meaning): A first layer of paint.
- Fuse / Detonator (for the igniter meaning): A device that initiates an explosion.
Related Phrases (Phrasal Verbs)
(Note: "Primer" is primarily a noun and does not commonly form standard English phrasal verbs. The related verb "prime" is used in phrasal constructions.) - Prime for: To prepare someone or something for a particular situation or activity. - The coach primed the team for the championship game.
Related Idioms
- "In primer": In a basic or introductory state. (This usage is somewhat archaic or specialized).
- The young scholar's ideas were still in primer, awaiting further development.
Noun
-
the first or preliminary coat of paint or size applied to a surface
-
any igniter that is used to initiate the burning of a propellant
-
an introductory textbook
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