transistor
US /trænˈzɪs.tɚ/
UK /trænˈzɪs.tɚ/
1.
transistor
a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
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The radio circuit uses a small transistor.
O circuito de rádio usa um pequeno transistor.
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Modern microchips contain billions of transistors.
Microchips modernos contêm bilhões de transistores.
2.
rádio de transistor
a portable radio receiver using transistors rather than vacuum tubes.
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My grandfather still listens to news on his old transistor radio.
Meu avô ainda ouve notícias em seu antigo rádio de transistor.
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We used to carry a small transistor with us on camping trips.
Costumávamos levar um pequeno rádio de transistor conosco em viagens de acampamento.