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单词 led
释义

led1

/lɛd /
Past and past participle of lead1.

Rhymes

LED2

/ɛliːˈdiː /
noun
A light-emitting diode (a semiconductor diode which glows when a voltage is applied): light sources can be fluorescent tubes, optical fibres, or LEDs [as modifier]: an LED display...
  • Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms.
  • Japanese scientists have proposed a solution to the puzzle of why blue light-emitting diodes are so bright.
  • Powerful light-emitting diodes have been shown to help heal wounds in laboratory animals and are now being tested on humans at the Medical College of Wisconsin.

Origin

1960s: abbreviation.

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更新时间:2025/1/24 13:06:36