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L.E.D. Light Emitting Diode

Definition

LED stands for Light Emitting Diode. It is a small electronic device that can produce light. LEDs are used in many different things, such as flashlights, traffic lights, and computer screens.

How can the word be used?

Lighting: LEDs are used in a variety of lighting applications, including traffic lights, headlights, and flashlights.

L.E.D. Light Emitting Diode

Different forms of the word

Noun: LED is a semiconductor light source that emits light when current flows through it.

Adjective: LED is an adjective that describes something that is related to LEDs. For example, an LED light is a light that is made with LEDs.

Verb: To LED is to light with LEDs. For example, to LED a sign is to light a sign with LEDs.

Etymology

The word "LED" is an acronym for "Light Emitting Diode". It is a semiconductor device that emits light when current flows through it.

The word "LED" was first used in the 1960s. It is a combination of the words "light" and "diode".

The word "diode" comes from the Greek word "diōdēs", which means "two-way". This is because a diode is a device that allows current to flow in one direction only.

The word "light" comes from the Old English word "leoht", which also means "light".

So, the word "LED" literally means "light-emitting diode".

Question

What is an LED?

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