Meaning of TRANSISTOR in English

TRANSISTOR

tran ‧ sis ‧ tor /trænˈzɪstə $ -ər/ BrE AmE noun [countable]

[ Date: 1900-2000 ; Origin: transfer + resistor ]

1 . a small piece of electronic equipment in radios, televisions etc that controls the flow of electricity

2 . a transistor radio

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.