| 单词 | flashing |
| 释义 | flashing /flash"ing/, n. 1. Building Trades. pieces of sheet metal or the like used to cover and protect certain joints and angles, as where a roof comes in contact with a wall or chimney, esp. against leakage. 2. the act of creating an artificial flood in a conduit or stream, as in a sewer for cleansing it. 3. Photog. , Motion Pictures. the process of increasing film speed by exposing undeveloped film briefly to a weak light source before using it or of exposing photographic printing paper to reduce contrast. [1775-85; FLASH + -ING1] |
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