led

10 definitions • 14 examples

past simple and past participle of

abbreviation for light-emitting diode: a type of diode (= a device that controls an electric current so that it can only flow in one direction) that produces light:

He contributed to the invention of various gadgets, including the first practical light-emitting diode, or LED.

What is happening to produce photons of light when an LED conducts?

a light, for example on a piece of electronic equipment, that uses a light-emitting diode:

The green LED indicates the monitor is on and fully functional.

The LED for the compartment will be activated when the lid is opened.

a light bulb (= a rounded glass container that is part of a light) that uses a light-emitting diode to produce light:

What is the difference between an incandescent bulb and an LED?

LEDs are a bright, attractive lighting solution with a long lifespan and energy-saving design.

using a light-emitting diode to produce light:

LED bulbs use far less energy than halogen bulbs and last up to 50 times longer than incandescent bulbs.

We stock a wide range of LED lighting.

There are LED lights on the front and back.

The LED display tells you how far the washing machine has got through its cycle.

planned or controlled by a particular person or thing:

child-led activities (= children deciding what to do)

past simple and past participle of lead

abbreviation for light-emitting diode (= an electronic device that gives off light when it receives an electrical current):

LED lamp technology is evolving at an incredible pace.

having the thing mentioned as the most important influence:

consumer/demand/market/-led The figures are evidence that the consumer-led recovery is still on track.

planned or controlled by a particular person or organization:

a government-led inquiry into unfair practices