### transistor

• n. 晶体管（收音机）
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transistor 晶体管

transistor (n.)
small electronic device, 1948, from transfer + resistor, so called because it transfers an electrical current across a resistor. Said to have been coined by U.S. electrical engineer John Robinson Pierce (1910-2002) of Bell Telephone Laboratories, Murray Hill, N.J., where the device was invented in 1947. It took over many functions of the vacuum tube. Transistor radio is first recorded 1958.
1. This make of transistor radio is small and beautifully designed.

2. She took her transistor everywhere with her.

3. This transistor radio has four small cells.

4. Every transistor has at least three electrodes.

5. Hundreds of people huddled around a single transistor radio listening to the announcement.