Related topics: Electrical, Electricity
ˌphotoelectric ˈcell noun [countableC] 1. TEEan electronic instrument that changes light into electricity 光电池
2. TEESCCan electronic instrument that uses light to start an electrical effect, often used in burglar alarms 光电感应器〔把光信号转换成电信号，常用于防盗警报器〕