| 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. |
| photovoltaic (fō'tō-vŏl-tā'ĭk, -vōl-) Pronunciation Key
Capable of producing a voltage, usually through photoemission, when exposed to radiant energy, especially light. See more at photoelectriccell.">, solar cell. |