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lead    音標拼音: [l'ɛd] [l'id]
vt.
領導,率領,領先;引導,帶領;攙,牽;致使,誘使,影響;過,使某人過
vi. 領導

領導,率領,領先;引導,帶領;攙,牽;致使,誘使,影響;過,使某人過領導

lead
柱式引線

lead
引線 前置

lead
n 1: an advantage held by a competitor in a race; "he took the
lead at the last turn"
2: a soft heavy toxic malleable metallic element; bluish white
when freshly cut but tarnishes readily to dull grey; "the
children were playing with lead soldiers" [synonym: {lead}, {Pb},
{atomic number 82}]
3: evidence pointing to a possible solution; "the police are
following a promising lead"; "the trail led straight to the
perpetrator" [synonym: {lead}, {track}, {trail}]
4: a position of leadership (especially in the phrase `take the
lead'); "he takes the lead in any group"; "we were just
waiting for someone to take the lead"; "they didn't follow
our lead"
5: the angle between the direction a gun is aimed and the
position of a moving target (correcting for the flight time
of the missile)
6: the introductory section of a story; "it was an amusing lead-
in to a very serious matter" [synonym: {lead}, {lead-in}, {lede}]
7: (sports) the score by which a team or individual is winning
[ant: {deficit}]
8: an actor who plays a principal role [synonym: {star},
{principal}, {lead}]
9: (baseball) the position taken by a base runner preparing to
advance to the next base; "he took a long lead off first"
10: an indication of potential opportunity; "he got a tip on the
stock market"; "a good lead for a job" [synonym: {tip}, {lead},
{steer}, {confidential information}, {wind}, {hint}]
11: a news story of major importance [synonym: {lead}, {lead story}]
12: the timing of ignition relative to the position of the
piston in an internal-combustion engine [synonym: {spark
advance}, {lead}]
13: restraint consisting of a rope (or light chain) used to
restrain an animal [synonym: {leash}, {tether}, {lead}]
14: thin strip of metal used to separate lines of type in
printing [synonym: {lead}, {leading}]
15: mixture of graphite with clay in different degrees of
hardness; the marking substance in a pencil [synonym: {lead},
{pencil lead}]
16: a jumper that consists of a short piece of wire; "it was a
tangle of jumper cables and clip leads" [synonym: {jumper
cable}, {jumper lead}, {lead}, {booster cable}]
17: the playing of a card to start a trick in bridge; "the lead
was in the dummy"
v 1: take somebody somewhere; "We lead him to our chief"; "can
you take me to the main entrance?"; "He conducted us to the
palace" [synonym: {lead}, {take}, {direct}, {conduct}, {guide}]
2: have as a result or residue; "The water left a mark on the
silk dress"; "Her blood left a stain on the napkin" [synonym:
{leave}, {result}, {lead}]
3: tend to or result in; "This remark lead to further arguments
among the guests"
4: travel in front of; go in advance of others; "The procession
was headed by John" [synonym: {lead}, {head}]
5: cause to undertake a certain action; "Her greed led her to
forge the checks"
6: stretch out over a distance, space, time, or scope; run or
extend between two points or beyond a certain point; "Service
runs all the way to Cranbury"; "His knowledge doesn't go very
far"; "My memory extends back to my fourth year of life";
"The facts extend beyond a consideration of her personal
assets" [synonym: {run}, {go}, {pass}, {lead}, {extend}]
7: be in charge of; "Who is heading this project?" [synonym: {head},
{lead}]
8: be ahead of others; be the first; "she topped her class every
year" [synonym: {lead}, {top}]
9: be conducive to; "The use of computers in the classroom lead
to better writing" [synonym: {contribute}, {lead}, {conduce}]
10: lead, as in the performance of a composition; "conduct an
orchestra; Barenboim conducted the Chicago symphony for
years" [synonym: {conduct}, {lead}, {direct}]
11: lead, extend, or afford access; "This door goes to the
basement"; "The road runs South" [synonym: {go}, {lead}]
12: move ahead (of others) in time or space [synonym: {precede},
{lead}] [ant: {follow}]
13: cause something to pass or lead somewhere; "Run the wire
behind the cabinet" [synonym: {run}, {lead}]
14: preside over; "John moderated the discussion" [synonym:
{moderate}, {chair}, {lead}]

Lead \Lead\ (l[e^]d), n. [OE. led, leed, lead, AS. le['a]d; akin
to D. lood, MHG. l[=o]t, G. loth plummet, sounding lead,
small weight, Sw. & Dan. lod. [root]123.]
1. (Chem.) One of the elements, a heavy, pliable, inelastic
metal, having a bright, bluish color, but easily
tarnished. It is both malleable and ductile, though with
little tenacity, and is used for tubes, sheets, bullets,
etc. Its specific gravity is 11.37. It is easily fusible
(melting point 327.5[deg] C), forms alloys with other
metals, and is an ingredient of solder and type metal.
Atomic number 82. Atomic weight, 207.2. Symbol Pb (L.
Plumbum). It is chiefly obtained from the mineral galena,
lead sulphide.
[1913 Webster]

2. An article made of lead or an alloy of lead; as:
(a) A plummet or mass of lead, used in sounding at sea.
(b) (Print.) A thin strip of type metal, used to separate
lines of type in printing.
(c) Sheets or plates of lead used as a covering for roofs;
hence, pl., a roof covered with lead sheets or terne
plates.
[1913 Webster]

I would have the tower two stories, and goodly
leads upon the top. --Bacon
[1913 Webster]

3. A small cylinder of black lead or graphite, used in
pencils.
[1913 Webster]

{Black lead}, graphite or plumbago; -- so called from its
leadlike appearance and streak. [Colloq.]

{Coasting lead}, a sounding lead intermediate in weight
between a hand lead and deep-sea lead.

{Deep-sea lead}, the heaviest of sounding leads, used in
water exceeding a hundred fathoms in depth. --Ham. Nav.
Encyc.

{Hand lead}, a small lead use for sounding in shallow water.


{Krems lead}, {Kremnitz lead} [so called from Krems or
Kremnitz, in Austria], a pure variety of white lead,
formed into tablets, and called also {Krems white}, or
{Kremnitz white}, and {Vienna white}.

{Lead arming}, tallow put in the hollow of a sounding lead.
See {To arm the lead} (below).

{Lead colic}. See under {Colic}.

{Lead color}, a deep bluish gray color, like tarnished lead.


{Lead glance}. (Min.) Same as {Galena}.

{Lead line}
(a) (Med.) A dark line along the gums produced by a
deposit of metallic lead, due to lead poisoning.
(b) (Naut.) A sounding line.

{Lead mill}, a leaden polishing wheel, used by lapidaries.

{Lead ocher} (Min.), a massive sulphur-yellow oxide of lead.
Same as {Massicot}.

{Lead pencil}, a pencil of which the marking material is
graphite (black lead).

{Lead plant} (Bot.), a low leguminous plant, genus {Amorpha}
({Amorpha canescens}), found in the Northwestern United
States, where its presence is supposed to indicate lead
ore. --Gray.

{Lead tree}.
(a) (Bot.) A West Indian name for the tropical, leguminous
tree, {Leuc[ae]na glauca}; -- probably so called from
the glaucous color of the foliage.
(b) (Chem.) Lead crystallized in arborescent forms from a
solution of some lead salt, as by suspending a strip
of zinc in lead acetate.

{Mock lead}, a miner's term for blende.

{Red lead}, a scarlet, crystalline, granular powder,
consisting of minium when pure, but commonly containing
several of the oxides of lead. It is used as a paint or
cement and also as an ingredient of flint glass.

{Red lead ore} (Min.), crocoite.

{Sugar of lead}, acetate of lead.

{To arm the lead}, to fill the hollow in the bottom of a
sounding lead with tallow in order to discover the nature
of the bottom by the substances adhering. --Ham. Nav.
Encyc.

{To cast the lead}, or {To heave the lead}, to cast the
sounding lead for ascertaining the depth of water.

{White lead}, hydrated carbonate of lead, obtained as a
white, amorphous powder, and much used as an ingredient of
white paint.
[1913 Webster]


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.
[1913 Webster]

He leadeth me beside the still waters. --Ps. xxiii.
2.
[1913 Webster]

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.
[1913 Webster]

And lo ! Ben Adhem's name led all the rest. --Leigh
Hunt.
[1913 Webster]

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.
[1913 Webster]

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).
[1913 Webster]

That we may lead a quiet and peaceable life. --1
Tim. ii. 2.
[1913 Webster]

Nor thou with shadowed hint confuse
A life that leads melodious days. --Tennyson.
[1913 Webster]

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]


Lead \Lead\ (l[e^]d), v. t. [imp. & p. p. {Leaded}; p. pr. & vb.
n. {Leading}.]
1. To cover, fill, or affect with lead; as, continuous firing
leads the grooves of a rifle.
[1913 Webster]

2. (Print.) To place leads between the lines of; as, to lead
a page; leaded matter.
[1913 Webster]


Lead \Lead\, v. i.
1. To guide or conduct, as by accompanying, going before,
showing, influencing, directing with authority, etc.; to
have precedence or pre["e]minence; to be first or chief;
-- used in most of the senses of lead, v. t.
[1913 Webster]

2. To tend or reach in a certain direction, or to a certain
place; as, the path leads to the mill; gambling leads to
other vices.
[1913 Webster]

The mountain foot that leads towards Mantua. --Shak.
[1913 Webster]

{To lead off} or {To lead out}, to go first; to begin; as,
Mickey Mantle led off in the fifth inning of the game.
[1913 Webster PJC]


Lead \Lead\, n.
1. The act of leading or conducting; guidance; direction; as,
to take the lead; to be under the lead of another.
[1913 Webster]

At the time I speak of, and having a momentary lead,
. . . I am sure I did my country important service.
--Burke.
[1913 Webster]

2. Precedence; advance position; also, the measure of
precedence; as, the white horse had the lead; a lead of a
boat's length, or of half a second.
[1913 Webster]

3. (Cards & Dominoes) The act or right of playing first in a
game or round; the card suit, or piece, so played; as,
your partner has the lead.
[1913 Webster]

4. An open way in an ice field. --Kane.
[1913 Webster]

5. (Mining) A lode.
[1913 Webster]

6. (Naut.) The course of a rope from end to end.
[1913 Webster]

7. (Steam Engine) The width of port opening which is
uncovered by the valve, for the admission or release of
steam, at the instant when the piston is at end of its
stroke.
[1913 Webster]

Note: When used alone it means outside lead, or lead for the
admission of steam. Inside lead refers to the release
or exhaust.
[1913 Webster]

8. (Civil Engineering) the distance of haul, as from a
cutting to an embankment.
[1913 Webster]

9. (Horology) The action of a tooth, as a tooth of a wheel,
in impelling another tooth or a pallet. --Saunier.
[1913 Webster]

10. (Music.)
(a) The announcement by one voice part of a theme to be
repeated by the other parts.
(b) A mark or a short passage in one voice part, as of a
canon, serving as a cue for the entrance of others.
[Webster 1913 Suppl.]

11. In an internal-combustion engine, the distance, measured
in actual length of piston stroke or the corresponding
angular displacement of the crank, of the piston from the
end of the compression stroke when ignition takes place;
-- called in full

{lead of the ignition}. When ignition takes place during the
working stroke the corresponding distance from the
commencement of the stroke is called

{negative lead}.
[Webster 1913 Suppl.]

12. (Mach.) The excess above a right angle in the angle
between two consecutive cranks, as of a compound engine,
on the same shaft.
[Webster 1913 Suppl.]

13. (Mach.) In spiral screw threads, worm wheels, or the
like, the amount of advance of any point in the spiral
for a complete turn.
[Webster 1913 Suppl.]

14. (Elec.)
(a) The angle between the line joining the brushes of a
continuous-current dynamo and the diameter
symmetrical between the poles.
(b) The advance of the current phase in an alternating
circuit beyond that of the electromotive force
producing it.
[Webster 1913 Suppl.]

15. (Theat.) A role for a leading man or leading woman; also,
one who plays such a role.
[Webster 1913 Suppl.]

16. The first story in a newspaper or broadcast news program.
[PJC]

17. an electrical conductor, typically as an insulated wire
or cable, connecting an electrical device to another
device or to a power source, such as a conductor
conveying electricity from a dynamo.
[PJC]

18. (Baseball) the distance a runner on base advances from
one base toward the next before the pitch; as, the long
lead he usually takes tends to distract the pitchers.
[PJC]

{Lead angle} (Steam Engine), the angle which the crank maker
with the line of centers, in approaching it, at the
instant when the valve opens to admit steam.

{Lead screw} (Mach.), the main longitudinal screw of a lathe,
which gives the feed motion to the carriage.
[1913 Webster]

629 Moby Thesaurus words for "lead":
T square, accent, accent mark, accomplishment, actor, administer,
administrate, advance, advantage, affect, aim, aluminum, americium,
antagonist, antecede, antecedence, antecedency, anteposition,
anteriority, antetype, antihero, antitype, approach, archetype,
arrow, ascendancy, attend, aureate, authority, ballast, bamboozle,
bar, barium, be in front, be master, be responsible for,
be the bellwether, be the front-runner, beacon, bear, begin,
beguile, bell cow, bellwether, bend, bend to, beryllium, bias,
bidet, biotype, bismuth, bit, bit part, blaze, blaze the trail,
bob, brass, brassy, brazen, break ground, break the ice,
break the trail, bring, bring about, bring on, bring up, broach,
bronze, bronzy, cable, cadmium, calcium, call forth,
call the signals, cancel, captain, carriage horse, carry, carry on,
cart horse, cast, catchword, cause, cavalry horse, cerium, cesium,
chain, chair, chaperon, character, chief, chrome, chromium,
classic example, clue, cobalt, color, come before, come first,
command, commence, compass needle, conduce, conduct, contribute,
contribute to, contrive, control, convince, convoy, copper,
coppery, cord, create, criterion, cue, cue word, cupreous, cuprous,
custos, danseur noble, dean, deanship, deceive, decide, decoy,
descend, determine, direct, direction, direction post, discipline,
dispose, distance, diva, dominion, dot, doyen, draft horse,
draw down, draw on, dray horse, driving horse, drop, dysprosium,
edge, effect, electronics king, elicit, engage, engender, engineer,
enlist, entice, epitome, erbium, escort, esquire, europium,
evidence, evoke, example, exceed, excel, excellence, exemplar,
experience, expression mark, fat part, favor, feature attraction,
feeder, fermata, ferrous, ferruginous, fill horse, filler,
finger post, first, first tragedian, fist, flex, fool, foregoing,
foremost, forerun, forge ahead, front, front position, fugleman,
fugler, gadolinium, gallium, genotype, germanium, get,
get ahead of, get before, get going, get moving, get to do,
get under way, gigster, gilt, go, go ahead of, go before,
go in advance, gold, gold-filled, gold-plated, golden, govern,
governance, government, gravitate, greatness, guard, guidance,
guide, guideboard, guidepost, hack, hackney, hand, handle,
handling, have a tendency, have priority, have the start, head,
head the line, head the table, head up, heading, headliner, heavy,
heavy lead, herald, hero, heroine, hint, hold, hold a heading,
holmium, honcho, hoodwink, hot lead, hour hand, hunter, husbandry,
imitatee, inaugurate, incline, incomparability, index,
index finger, indium, induce, influence, ingenue, inimitability,
initiate, inspire, instigate, interest in, intimation, introduce,
inveigle, invent, iridium, iron, ironlike, jeune premier, jument,
key, key signature, key word, kick off, king, lanthanum, lap,
le pas, lead astray, lead off, lead on, lead role, lead the dance,
lead the way, leaden, leader, leadership, leading, leading lady,
leading light, leading man, leading woman, lean, leash, ligature,
light the way, lines, lithium, live, look to, lubber line,
luminary, lure, lutetium, magnesia, magnesium, main, majority,
make the rules, manage, management, managery, managing, maneuver,
manganese, manipulate, manipulation, margin, mark, marshal,
master spirit, mastermind, measure, mercurial, mercurous, mercury,
metronomic mark, milepost, minute hand, mirror, misdirect,
misguide, mislead, model, molybdenum, motivate, mount, move,
needle, neodymium, nickel, nickelic, nickeline, niobium, notation,
obtain, officer, one-upmanship, order, ordering, original,
originate, osmium, outdo, outrank, outrun, outstrip, pace,
pack horse, palfrey, palladium, paradigm, paramount, part, pass,
pattern, pause, person, personage, persuade, pewter, pewtery,
phosphorus, piece, pilot, pilotage, pioneer, platinum,
play first fiddle, plow horse, plumb, plumb bob, plumb line,
plumb rule, plummet, plunge, point, point to, pointer, pole horse,
polo pony, polonium, possibility, post-horse, potassium, potential,
praseodymium, precede, precedence, precedency, precedent,
preceding, precession, precipitate, precursor, predispose,
predominance, predomination, preeminence, preface, preference,
prefixation, prelude, premier, preponderance, prepotence,
prepotency, prerogative, presa, prescribe, present, preside over,
prestige, prevail, prima ballerina, prima donna, primacy,
principal, priority, privilege, procure, produce, promethium,
prompt, prospect, protactinium, protagonist, prothesis, prototype,
provoke, pull the strings, quarterback, quicksilver, radium, rank,
rank first, rank out, rate, recedence, redound to, regulate,
regulation, remount, representative, restraint, rhenium, rider,
riding horse, right-of-way, road horse, roadster, role, rouncy,
route, rubidium, rule, run, running, ruthenium, saddle horse,
saddler, samarium, sandbag, scandium, scent, seduce, see, segno,
seniority, serve, set, set square, set the pace, set toward,
settle, shaft horse, shepherd, show, show a tendency, show the way,
side, sign, signature, signboard, signpost, silver, silver-plated,
silvery, singer, sink, sinker, skill, skipper, slur, sodium,
soften up, soubrette, spearhead, spend, spoor, square, squire,
stalking-horse, stand first, stand in front, stand over, standard,
star, steel, steely, steer, steerage, steering, straight part,
strontium, subside, success, suggestion, sumpter, sumpter horse,
superinduce, superintend, superiority, superstar, supervise,
supporting character, supporting role, supremacy, surpass, sway,
swell, symbol, take command, take out, take precedence,
take the initiative, take the lead, take the plunge, tantalum,
technetium, telltale, tempo mark, tempt, tend, tend to go, terbium,
tether, thallium, the conn, the helm, the lead, the wheel,
thill horse, thiller, thulium, tie, time signature, tin, tinge,
tinny, tip, tip-off, titanium, title role, tone, top dog,
top priority, trace, transcendence, transcendency, trend,
try square, tungsten, turn, type, type species, type specimen,
uranium, urgency, urtext, usher, usher in, van, vanadium, vanguard,
verge, vestige, villain, vinculum, virtuosity, wait on, walk-on,
walking part, warp, wear down, weigh down, weigh with, weight,
weight down, wheeler, wheelhorse, whiff, while away,
wield authority, wield the baton, wire, wolfram, work, work toward,
workhorse, ytterbium, yttrium, zinc, zirconium

lead
Symbol: Pb
Atomic number: 82
Atomic weight: 207.19
Heavy dull grey ductile metallic element, belongs to group 14. Used in
building construction, lead-plate accumulators, bullets and shot, and is
part of solder, pewter, bearing metals, type metals and fusible alloys.

Lead, SD -- U.S. city in South Dakota
Population (2000): 3027
Housing Units (2000): 1617
Land area (2000): 1.989438 sq. miles (5.152620 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 1.989438 sq. miles (5.152620 sq. km)
FIPS code: 36220
Located within: South Dakota (SD), FIPS 46
Location: 44.350967 N, 103.765784 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Lead, SD
Lead



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