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primer
Definitions
[ˈprʌɪmə], (Noun)
Definitions:
- a substance used as a preparatory coat on wood, metal, or canvas, especially to prevent the absorption of subsequent layers of paint or the development of rust
(e.g: apply three coats of primer)
- a cap or cylinder containing a compound which responds to friction or an electrical impulse and ignites the charge in a cartridge or explosive
(e.g: the nitro-cellulose is ignited by the spark that comes from the primer)
- a small pump for pumping fuel to prime an internal combustion engine, especially in an aircraft
(e.g: no more than four pumps of the primer usually suffice)
- a molecule that serves as a starting material for a polymerization process
(e.g: the duplex RNA primer cannot initiate DNA replication)
Phrases:
Origin
:
[ˈprʌɪmə], (Noun)
Definitions:
- an elementary textbook that serves as an introduction to a subject of study or is used for teaching children to read
(e.g: a first-year philosophy primer)
Phrases:
Origin
:
late Middle English: from medieval Latin primarius (liber) ‘primary (book)’ and primarium (manuale) ‘primary (manual)’
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definition by Oxford Dictionaries