led
led — verb
- ledpresent simple I / you / we / they
- leds3rd person singular
- ledding-ing form
- leddedpast simple
1. the past tense and past participle form of the verb 'lead', used to show that a
the past tense and past participle form of the verb 'lead', used to show that a person guided others, went first, or was responsible for directing something at an earlier time.
Asher led the children safely across the busy road near the town library.
led + object + across/through/along (direction)
The doctor's research eventually led to a new treatment for childhood asthma.
led + to + result (cause and effect)
Mayumi led the design team through a year-long project to rebuild the damaged bridge.
Karim's curiosity led him to read every book on the science shelf in the library.
A narrow stone path led the hikers to a small cabin hidden among the pine trees.
- followed
to go behind someone rather than in front
文法句型
led + object + prepositional phrase (direction)
led + to + noun (result)
led + object + to-infinitive
用法筆記
Frequently used with 'to' to show a result or consequence ('led to') — this pattern is more common for past events than for present ones.
常見錯誤
led — noun
- ledsingular
- ledsplural
1. a small electronic component that gives off light when an electric current passe
a small electronic component that gives off light when an electric current passes through it, commonly used in electronic displays, remote controls, and lighting systems.
The tiny red LED on the computer monitor blinks when the system is in sleep mode.
"tiny red / green / blue" — colours describe LED status
Modern bicycle lights use bright white LEDs so that drivers can see cyclists at night.
Daichi replaced the broken LED inside the television with a new part from the repair shop.
The small green LED on the kettle stays lit while the water is still hot inside.
- light-emitting diode
the full technical term, used in formal or written contexts
用法筆記
LED is both the full name (light-emitting diode) and the common short form. In everyday speech, 'an LED' Is more common than 'a light-emitting diode'.
2. a small signal lamp found on various electronic devices that relies on light-emi
a small signal lamp found on various electronic devices that relies on light-emitting diode technology to show operating information, such as when the device is turned on, charging, or linked to a network.
A green LED on the front of the router shows that the internet connection is working properly.
LED + shows/indicates + status (function pattern)
When Paloma plugged in her laptop, a small orange LED near the power port began to glow.
The red LED on the smoke detector flashes every thirty seconds to show the battery is active.
Jin checked the small blue LED on the charging station to confirm the batteries were full.
- indicator light
a more general term that does not specify the technology used
- status light
common in user manuals and product descriptions
用法筆記
This sense focuses on the light as a signal or indicator rather than on the electronic component itself. The colour of the LED typically conveys the status: green for OK, red for problem, orange for charging.
3. a light bulb that produces light using one or more light-emitting diodes instead
a light bulb that produces light using one or more light-emitting diodes instead of a traditional filament, designed to last longer and use less electricity.
The old lamps in the living room now use LED bulbs that last for many years.
Jin installed LED bulbs throughout the apartment to reduce the monthly electricity bill.
install + LED bulbs + location (common pattern)
Many offices are switching to LED bulbs because they produce much less heat than older ones.
A single LED bulb in the hallway used less power than the old lamp had used in a week.
- LED lamp
used interchangeably with LED bulb, especially for non-screw-fit lights
- incandescent bulb
the older type of bulb that uses a wire filament and consumes more energy
用法筆記
Distinguish from sense 1 (the electronic component) — this sense refers to the finished household product (the bulb you screw into a lamp). The word 'LED' alone can mean either the component or the bulb, but 'LED bulb' is unambiguous.
常見錯誤
led — adjective
- ledpositive
- leddercomparative
- leddestsuperlative
1. describes electronic devices, lights, or screens that employ light-emitting diod
describes electronic devices, lights, or screens that employ light-emitting diode technology to produce light or display images.
The office manager ordered new LED lighting for all the desks on the second floor.
Amani bought an LED desk lamp because it gives a much clearer light for reading.
LED + noun (modifier pattern for technology type)
The new stadium features a huge LED screen that shows replays of the game from every angle.
Min replaced the kitchen ceiling light with an LED panel that produces a softer glow.
led — suffix
1. attached to the end of a noun to indicate that an activity or process is guided,
attached to the end of a noun to indicate that an activity or process is guided, managed, or driven by a specific group, idea, or external force.
The new policy is part of a customer-led approach to improving the quality of service.
noun + -led (compound adjective pattern)
Many European universities now prefer a research-led teaching model in their graduate programs.
The technology sector has seen a shift toward market-led innovation rather than government planning.
An export-led economic recovery helped the country create new jobs after the recession.
文法句型
noun + -led
用法筆記
Common in business and academic writing. The first noun names the force or group that drives the process: 'customer-led' means customers decide the direction, 'market-led' means market forces are in control. Do not confuse with 'LED' (light-emitting diode).