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photocell [photocells]▼◼◼◼noun[UK: ˈfəʊ.təʊ.sel] [US: ˈfoʊto.ʊ.sel]
photoelectric cell▼◼◼◻[UK: ˌfəʊ.təʊɪ.ˈlek.trɪk sel] [US: ˌfoʊto.ʊɪ.ˈlek.trɪk ˈsel]
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