| a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
photoreceptor pho·to·re·cep·tor (fō'tō-rĭ-sěp'tər)
n.
A nerve ending, cell, or group of cells specialized to sense or receive light.
photoreceptor (fō'tō-rĭ-sěp'tər) Pronunciation Key
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