The correct past and past participle of lead is spelled led. If you aren’t sure whether to use led or lead as the verb in your sentence, try reading it aloud to yourself. If the verb is pronounced /LED/, use led.

Feb 24, 2012 · Light Emitting Diode (LED): What is it & How Does it Work? LED Definition: A Light Emitting Diode (LED) is a semiconductor device that emits light when electric current flows through it.

Aug 5, 2022 · In this article, we’ll lead you through the differences between lead and led, explain why lead is considered an irregular verb, and give examples of how lead and led are used in sentences.

Jun 10, 2025 · A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it. LED works by passing electricity through a semiconductor, which releases …

LED definition: simple past tense and past participle of lead. See examples of led used in a sentence.

LED stands for light emitting diode. LED lighting products produce light up to 90% more efficiently than incandescent light bulbs. How do they work? An electrical current passes through a microchip, which …

LEDs are a bright, attractive lighting solution with a long lifespan and energy-saving design. LED bulbs use far less energy than halogen bulbs and last up to 50 times longer than incandescent bulbs. We …

Mar 5, 2026 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.

Definition of led in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Short for light-emitting diode. An electronic semiconductor device that emits light when an electric current passes through it. LEDs are used for indicator lights, such as those on the front of a disk …