substation

noun
🔊/ˈsʌbsteɪʃn/
🔊/ˈsʌbsteɪʃn/
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  1. a place where the strength of electric power from a power station is reduced before it is passed on to homes and businesses变电站;变电所Topics The environmentc2
    Oxford Collocations DictionarySubstation is used after these nouns:
    • electricity
    See full entry