noun Etymology: light-emitting diode Date: 1968 a semiconductor diode that emits light when a voltage is applied to it and that is used in an electronic display (as for a digital watch)
LED
Meaning of LED in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012