搜尋結果
primer
- IPA[ˈprʌɪmə]
英式
- 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；a cosmetic applied to the face before another product, intended to improve the coverage and lasting effect of the second product
noun: primer, plural noun: primers
- 釋義
名詞
- 1. 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 apply three coats of primer new plaster should be treated with a primer
- ▪ a cosmetic applied to the face before another product, intended to improve the coverage and lasting effect of the second product it's best to apply primer around the eye to help the make-up blend properly
- 2. a cap or cylinder containing a compound which responds to friction or an electrical impulse and ignites the charge in a cartridge or explosive the nitro-cellulose is ignited by the spark that comes from the primer
- 3. a small pump for pumping fuel to prime an internal combustion engine, especially in an aircraft no more than four pumps of the primer usually suffice
- 4. a molecule that serves as a starting material for a polymerization process the duplex RNA primer cannot initiate DNA replication
