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词汇 led
释义

led1

lɛdlɛd
  • past and past participle of lead

Rhymes

abed, ahead, bed, behead, Birkenhead, bled, bread, bred, coed, cred, crossbred, dead, dread, Ed, embed, Enzed, fed, fled, Fred, gainsaid, head, infrared, ked, lead, Med, misled, misread, Ned, outspread, premed, pure-bred, read, red, redd, said, samoyed, shed, shred, sked, sled, sped, Spithead, spread, stead, ted, thread, tread, underbred, underfed, wed

LED2

noun ɛliːˈdiːˌɛl ˌi ˈdi
  • 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
    Example sentencesExamples
    • 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.
    • Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms.

Origin

1960s: abbreviation.

led1

ledlɛd
  • past and past participle of lead

LED2

nounˌel ˌē ˈdēˌɛl ˌi ˈdi
  • A light-emitting diode (a semiconductor diode which glows when a voltage is applied)

    light sources can be fluorescent tubes, optical fibers, or LEDs
    as modifier an LED display
    Example sentencesExamples
    • 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.
    • Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms.

Origin

1960s: abbreviation.

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