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leadmore about lead


  10  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  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, 
  forms  alloys  with  other  metals,  and  is  an  ingredient  of 
  solder  and  type  metal.  Atomic  weight,  206.4.  Symbol  Pb  (L. 
  Plumbum).  It  is  chiefly  obtained  from  the  mineral  galena, 
  lead  sulphide. 
  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 
  I  would  have  the  tower  two  stories,  and  goodly 
  leads  upon  the  top  --Bacon 
  3.  A  small  cylinder  of  black  lead  or  plumbago,  used  in 
  {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. 
  {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,  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} 
  ({A.  canescens}),  found  in  the  Northwestern  United  States, 
  where  its  presence  is  supposed  to  indicate  lead  ore. 
  {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. 
  {To}  {cast,  or  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. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Lead  \Lead\,  v.  t.  [imp.  &  p.  p.  {Leaded};  p.  pr  &  vb  n. 
  1.  To  cover,  fill,  or  affect  with  lead;  as  continuous  firing 
  leads  the  grooves  of  a  rifle. 
  2.  (Print.)  To  place  leads  between  the  lines  of  as  to  lead 
  a  page;  leaded  matter. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  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  connection;  as  a  father  leads  a  child;  a 
  jockey  leads  a  horse  with  a  halter;  a  dog  leads  a  blind 
  If  a  blind  man  lead  a  blind  man,  both  fall  down  in 
  the  ditch.  --Wyclif 
  (Matt.  xv 
  They  thrust  him  out  of  the  city,  and  led  him  unto 
  the  brow  of  the  hill.  --Luke  iv  29. 
  In  thy  right  hand  lead  with  thee  The  mountain  nymph, 
  sweet  Liberty.  --Milton. 
  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. 
  The  Lord  went  before  them  by  day  in  a  pillar  of  a 
  cloud,  to  lead  them  the  way  --Ex.  xiii. 
  He  leadeth  me  beside  the  still  waters.  --Ps.  xxiii. 
  This  thought  might  lead  me  through  the  world's  vain 
  mask.  Content,  though  blind,  had  I  no  better  guide. 
  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. 
  Christ  took  not  upon  him  flesh  and  blood  that  he 
  might  conquer  and  rule  nations,  lead  armies,  or 
  possess  places.  --South. 
  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. 
  As  Hesperus,  that  leads  the  sun  his  way  --Fairfax. 
  And  lo  !  Ben  Adhem's  name  led  all  the  rest.  --Leigh 
  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 
  He  was  driven  by  the  necessities  of  the  times,  more 
  than  led  by  his  own  disposition,  to  any  rigor  of 
  actions.  --Eikon 
  Silly  women,  laden  with  sins,led  away  by  divers 
  lusts.  --2  Tim.  iii. 
  6  (Rev.  Ver.). 
  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). 
  That  we  may  lead  a  quiet  and  peaceable  life.  --1 
  Tim.  ii  2. 
  Nor  thou  with  shadowed  hint  confuse  A  life  that 
  leads  melodious  days.  --Tennyson. 
  You  remember  .  .  .  the  life  he  used  to  lead  his  wife 
  and  daughter.  --Dickens. 
  7.  (Cards  &  Dominoes)  To  begin  a  game,  round,  or  trick,  with 
  as  to  lead  trumps;  the  double  five  was  led. 
  {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. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Lead  \Lead\,  n. 
  1.  The  act  of  leading  or  conducting;  guidance;  direction;  as 
  to  take  the  lead;  to  be  under  the  lead  of  another. 
  At  the  time  I  speak  of  and  having  a  momentary  lead, 
  .  .  .  I  am  sure  I  did  my  country  important  service. 
  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 
  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. 
  4.  An  open  way  in  an  ice  field.  --Kane. 
  5.  (Mining)  A  lode. 
  6.  (Naut.)  The  course  of  a  rope  from  end  to  end 
  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 
  Note:  When  used  alone  it  means  outside  lead,  or  lead  for  the 
  admission  of  steam.  Inside  lead  refers  to  the  release 
  or  exhaust. 
  8.  (Civil  Engineering)  the  distance  of  haul,  as  from  a 
  cutting  to  an  embankment. 
  9.  (Horology)  The  action  of  a  tooth,  as  a  tooth  of  a  wheel, 
  in  impelling  another  tooth  or  a  pallet.  --Saunier. 
  {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. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  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. 
  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. 
  The  mountain  foot  that  leads  towards  Mantua.  --Shak. 
  {To  lead}  {off  or  out},  to  go  first  to  begin. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Lead  \Lead\,  n. 
  1.  (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 
  2.  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}. 
  3.  (Mach.)  The  excess  above  a  right  angle  in  the  angle 
  between  two  consecutive  cranks,  as  of  a  compound  engine, 
  on  the  same  shaft. 
  4.  (Mach.)  In  spiral  screw  threads,  worm  wheels,  or  the  like 
  the  amount  of  advance  of  any  point  in  the  spiral  for  a 
  complete  turn. 
  5.  (Elec.) 
  a  A  conductor  conveying  electricity,  as  from  a  dynamo. 
  b  The  angle  between  the  line  joining  the  brushes  of  a 
  continuous-current  dynamo  and  the  diameter  symmetrical 
  between  the  poles. 
  c  The  advance  of  the  current  phase  in  an  alternating 
  circuit  beyond  that  of  the  electromotive  force 
  producing  it 
  6.  (Theat.)  A  r[^o]le  for  a  leading  man  or  leading  woman; 
  also  one  who  plays  such  a  r[^o]le. 
  From  WordNet  r  1.6  [wn]: 
  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  gray;  "the 
  children  were  playing  with  lead  soldiers"  [syn:  {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"  [syn:  {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"  [syn:  {lead-in}] 
  7:  an  actor  who  plays  a  principal  role  [syn:  {star},  {principal}] 
  8:  (baseball)  the  position  taken  by  a  base  runner  preparing  to 
  advance  to  the  next  base;  "he  took  a  long  lead  off  first" 
  9:  an  indication  of  potential  opportunity;  "he  got  a  tip  on  the 
  stock  market";  "a  good  lead  for  a  job"  [syn:  {tip},  {steer}, 
  {confidential  information},  {wind},  {hint}] 
  10:  a  news  story  of  major  importance  [syn:  {lead  story}] 
  11:  the  timing  of  ignition  relative  to  the  position  of  the 
  piston  in  an  internal-combustion  engine  [syn:  {spark 
  12:  a  rope  (or  light  chain)  used  to  restrain  an  animal  [syn:  {leash}, 
  13:  a  thin  strip  of  metal  used  to  separate  lines  of  type  in 
  printing  [syn:  {leading}] 
  14:  a  mixture  of  graphite  with  clay  in  different  degrees  of 
  hardness;  the  marking  substance  in  a  pencil  [syn:  {pencil 
  15:  a  jumper  that  consists  of  a  short  piece  of  wire;  "it  was  a 
  tangle  of  jumper  cables  and  clip  leads"  [syn:  {jumper 
  cable},  {jumper  lead}] 
  16:  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"  [syn:  {take},  {direct},  {conduct},  {guide}] 
  2:  result  in  "The  water  left  a  mark  on  the  silk  dress";  "Her 
  blood  left  a  stain  on  the  napkin"  [syn:  {leave},  {result}] 
  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"  [syn:  {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"  [syn:  {run},  {go},  {pass},  {extend}] 
  7:  be  in  charge  of  "Who  is  heading  this  project?"  [syn:  {head}] 
  8:  be  ahead  of  others  be  at  the  top  be  the  first 
  9:  be  conducive  to  "The  use  of  computers  in  the  classroom  lead 
  to  better  writing"  [syn:  {contribute},  {conduce}] 
  10:  lead;  "conduct  an  orchestra"  [syn:  {conduct},  {direct}] 
  11:  pass  or  spend;  "lead  a  good  life" 
  12:  lead.  extend,  or  afford  access  "This  door  goes  to  the 
  basement";  "The  road  runs  South"  [syn:  {go}] 
  13:  move  ahead  (of  others)  in  time  or  space  [syn:  {precede}] 
  [ant:  {follow}] 
  14:  cause  something  to  pass  or  lead  somewhere;  "Run  the  wire 
  behind  the  cabinet"  [syn:  {run}] 
  15:  preside  over  "John  moderated  the  discussion"  [syn:  {moderate}, 
  From  U.S.  Gazetteer  (1990)  [gazetteer]: 
  Lead,  SD  (city,  FIPS  36220) 
  Location:  44.35213  N,  103.76693  W 
  Population  (1990):  3632  (1654  housing  units) 
  Area:  4.9  sq  km  (land),  0.0  sq  km  (water) 
  From  Elements  database  20001107  [elements]: 
  Symbol:  Pb 
  Atomic  number:  82 
  Atomic  weight:  207.19 
  Heavy  dull  grey  ductile  metallic  element,  belongs  to  group  14.  Used  in 
  building  construction,  lead-place  accumulators,  bullets  and  shot,  and  is 
  part  of  solder,  pewter,  bearing  metals,  type  metals  and  fusible  alloys. 
  From  THE  DEVIL'S  DICTIONARY  ((C)1911  Released  April  15  1993)  [devils]: 
  LEAD,  n.  A  heavy  blue-gray  metal  much  used  in  giving  stability  to 
  light  lovers  --  particularly  to  those  who  love  not  wisely  but  other 
  men's  wives.  Lead  is  also  of  great  service  as  a  counterpoise  to  an 
  argument  of  such  weight  that  it  turns  the  scale  of  debate  the  wrong 
  way  An  interesting  fact  in  the  chemistry  of  international 
  controversy  is  that  at  the  point  of  contact  of  two  patriotisms  lead  is 
  precipitated  in  great  quantities. 
  Hail,  holy  Lead!  --  of  human  feuds  the  great 
  And  universal  arbiter;  endowed 
  With  penetration  to  pierce  any  cloud 
  Fogging  the  field  of  controversial  hate, 
  And  with  a  sift,  inevitable,  straight, 
  Searching  precision  find  the  unavowed 
  But  vital  point.  Thy  judgment,  when  allowed 
  By  the  chirurgeon,  settles  the  debate. 
  O  useful  metal!  --  were  it  not  for  thee 
  We'd  grapple  one  another's  ears  alway: 
  But  when  we  hear  thee  buzzing  like  a  bee 
  We  like  old  Muhlenberg,  "care  not  to  stay." 
  And  when  the  quick  have  run  away  like  pellets 
  Jack  Satan  smelts  the  dead  to  make  new  bullets. 

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