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BNC: 17681 COCA: 11470

led

3 ENTRIES FOUND:
led
led
Learner's definition of LED
past tense and past participle of 1lead

LED

LED /ˌɛlˌiːˈdiː/ noun
plural LEDs
LED
/ˌɛlˌiːˈdiː/
noun
plural LEDs
Learner's definition of LED
[count] technical
: a device that lights up and displays information when electricity passes through it发光二极管
◊ LEDs are often used to show numbers and words on electronic devices such as digital clocks. LED is an abbreviation of “light-emitting diode.”在电子装置如电子时钟里,发光二极管常用来显示数字和文字。LED是light-emitting diode的缩略词。
BNC: 17681 COCA: 11470

led

1 of 2

past tense and past participle of lead

: a semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices (as for an indicator light)

Word History

Etymology

Noun

light-emitting diode

First Known Use

Noun

1968, in the meaning defined above

Time Traveler
The first known use of led was in 1968
BNC: 17681 COCA: 11470

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