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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
| galvanic (gāl-vān'ĭk) Pronunciation Key
Relating to electricity generated by a chemical reaction. A galvanic cell is an electric cell, such as found in household and car batteries, that makes use of galvanic reactions to act as a power source. See Note at battery. |