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LED    音标拼音: [l'ɛd]
vbl. lead的过去式和过去分词

lead的过去式和过去分词

led
发光二极体

led
发光二极体

LED
n 1: diode such that light emitted at a p-n junction is
proportional to the bias current; color depends on the
material used [synonym: {light-emitting diode}, {LED}]

Lead \Lead\ (l[=e]d), v. t. [imp. & p. p. {Led} (l[e^]d); p. pr.
& vb. n. {Leading}.] [OE. leden, AS. l[=ae]dan (akin to OS.
l[=e]dian, D. leiden, G. leiten, Icel. le[imac][eth]a, Sw.
leda, Dan. lede), properly a causative fr. AS. li[eth]an to
go; akin to OHG. l[imac]dan, Icel. l[imac][eth]a, Goth.
lei[thorn]an (in comp.). Cf. {Lode}, {Loath}.]
1. To guide or conduct with the hand, or by means of some
physical contact or connection; as, a father leads a
child; a jockey leads a horse with a halter; a dog leads a
blind man.
[1913 Webster]

If a blind man lead a blind man, both fall down in
the ditch. --Wyclif
(Matt. xv.
14.)
[1913 Webster]

They thrust him out of the city, and led him unto
the brow of the hill. --Luke iv. 29.
[1913 Webster]

In thy right hand lead with thee
The mountain nymph, sweet Liberty. --Milton.
[1913 Webster]

2. To guide or conduct in a certain course, or to a certain
place or end, by making the way known; to show the way,
esp. by going with or going in advance of. Hence,
figuratively: To direct; to counsel; to instruct; as, to
lead a traveler; to lead a pupil.
[1913 Webster]

The Lord went before them by day in a pillar of a
cloud, to lead them the way. --Ex. xiii.
21.
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He leadeth me beside the still waters. --Ps. xxiii.
2.
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This thought might lead me through the world's vain
mask.
Content, though blind, had I no better guide.
--Milton.
[1913 Webster]

3. To conduct or direct with authority; to have direction or
charge of; as, to lead an army, an exploring party, or a
search; to lead a political party.
[1913 Webster]

Christ took not upon him flesh and blood that he
might conquer and rule nations, lead armies, or
possess places. --South.
[1913 Webster]

4. To go or to be in advance of; to precede; hence, to be
foremost or chief among; as, the big sloop led the fleet
of yachts; the Guards led the attack; Demosthenes leads
the orators of all ages.
[1913 Webster]

As Hesperus, that leads the sun his way. --Fairfax.
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And lo ! Ben Adhem's name led all the rest. --Leigh
Hunt.
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5. To draw or direct by influence, whether good or bad; to
prevail on; to induce; to entice; to allure; as, to lead
one to espouse a righteous cause.
[1913 Webster]

He was driven by the necessities of the times, more
than led by his own disposition, to any rigor of
actions. --Eikon
Basilike.
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Silly women, laden with sins, led away by divers
lusts. --2 Tim. iii.
6 (Rev. Ver.).
[1913 Webster]

6. To guide or conduct one's self in, through, or along (a
certain course); hence, to proceed in the way of; to
follow the path or course of; to pass; to spend. Also, to
cause (one) to proceed or follow in (a certain course).
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That we may lead a quiet and peaceable life. --1
Tim. ii. 2.
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Nor thou with shadowed hint confuse
A life that leads melodious days. --Tennyson.
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You remember . . . the life he used to lead his wife
and daughter. --Dickens.
[1913 Webster]

7. (Cards & Dominoes) To begin a game, round, or trick, with;
as, to lead trumps; the double five was led.
[1913 Webster]

{To lead astray}, to guide in a wrong way, or into error; to
seduce from truth or rectitude.

{To lead captive}, to carry or bring into captivity.

{To lead the way}, to show the way by going in front; to act
as guide. --Goldsmith.
[1913 Webster]


Led \Led\ (l[e^]d), imp. & p. p.
of {Lead}.
[1913 Webster]

{Led captain}. An obsequious follower or attendant. [Obs.]
--Swift.

{Led horse}, a sumpter horse, or a spare horse, that is led
along.
[1913 Webster] Leden



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英文字典中文字典相关资料:


  • Light-emitting diode - Wikipedia
    A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons
  • LED Definition Meaning - Merriam-Webster
    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
  • LED | Definition, Light, Facts | Britannica
    An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current
  • Learn About LED Lighting - ENERGY STAR
    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 illuminates the tiny light sources we call LEDs and the result is visible light
  • Light Emitting Diode (LED): What is it How Does it Work?
    What is a Light Emitting Diode (LED)? A Light Emitting Diode (LED) is a special type of PN junction diode The light emitting diode is specially doped and made of a special type of semiconductor This diode can emit light when it is in the forward biased state
  • What is LED Lighting: Definition, Working Principle and Components
    Unlike traditional incandescent bulbs or fluorescent lamps, an LED is a semiconductor device that emits light when electrical current passes through it in the forward direction
  • Light Emitting Diode (LED): Principle, Advantages, and Uses
    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 energy in the form of light
  • LED - Light Emitting Diode: Basics, Types and Characteristics
    As mentioned in the introduction, an LED is a semiconductor light source It consists of a PN Junction Diode and when voltage is applied to the LED, electrons and holes recombine in the PN Junction and release energy in the form of light (Photons)
  • What is LED ( Light Emitting Diodes ) | LED Lighting Supply
    Now that you know what an LED is, it is time to understand what LED bulbs are made of LEDs need to be combined to increase the light output per bulb to suitable values
  • LED Basics - Department of Energy
    LED lighting technology now offers the highest luminous efficacies (and efficiencies) of any light-source technology, and low prices have resulted in significant adoption But despite this progress, further improvements are both possible and desirable





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