led

• اختصار لـ Light-Emitting Diode (صمام ثنائي باعث للضوء)، وهو جهاز شبه موصل يشع ضوءًا عند مرور تيار كهربائي خلاله؛ ويعتمد لون الضوء على المادة المستخدمة. ويُقصد به أيضًا نوع المصابيح التي تعمل بهذه التقنية.

An acronym for Light-Emitting Diode, a semiconductor device that emits light when an electric current passes through it; the color of the light depends on the material used.

اسم علم

1. Light-emitting diodeB2formaltechnical

   A semiconductor device that emits light when an electric current passes through it, with the color depending on the material used.

   صمام ثنائي باعث للضوء

   • The new television uses LED technology for a brighter display.
   • LED bulbs are more energy-efficient than traditional incandescent lights.
   • The indicator light on the device is a small red LED.

   المرادفاتlight-emitting diode

• فعل يدل على القيادة أو التوجيه أو رئاسة جماعة أو نشاط.

A verb used to indicate guiding, directing, or being in charge of a group or activity.

فعل شاذ

1. Guide or directA2formal

   To show the way or direct someone or something to a destination.

   قيادة وتوجيه

   • She led the tourists through the museum.
   • He led the team to victory.
   • The path led us to the beach.

   المرادفاتconductdirectescortguidenavigatepilotshepherdsteerusher

   الأضدادfollowmisdirectmislead

2. Be in first positionA2formal

   To be in the first place in a race, competition, or ranking.

   التصدّر

   • Her team leads the league standings.
   • He leads by two points in the election.
   • The company leads the market in innovation.

   الأضدادfollowtrail

3. Cause or result inB1formal

   To cause something to happen or to have a particular result.

   يؤدي إلى

   • Too much sugar leads to health problems.
   • This decision will lead to better outcomes.
   • His actions led to his dismissal.

   المرادفاتbring aboutcausegenerateinduceproduceprompttrigger

4. Live or spend timeB2formal

   To pass or spend time in a particular way.

   قضاء الوقت

   • They lead a simple life in the countryside.
   • She leads a busy lifestyle.
   • He leads an active life full of travel.

   المرادفاتhavelivepassspend

الصيغ المركّبةlead offlead onlead up