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Conductor  A Or  Person From  Conductor  Lightning Dictionary

Title conductor
Text
Merriam-Webster's Collegiate Dictionary
con·duc·tor

 \\kən-ˈdək-tər\\ noun
 DATE  15th century
: one that conducts: as
  a. 
guide
  b. a collector of fares in a public conveyance
  c. the leader of a musical ensemble
  d.
    (1) a material or object that permits an electric current to flow easily — compare 
insulator
semiconductor
    (2) a material capable of transmitting another form of energy (as heat or sound)
• con·duc·to·ri·al 
 \\ˌkän-ˌdək-ˈtȯr-ē-əl, kən-\\ adjective
English Etymology
conductor
  1481, "one who leads or guides," conduitour, from 
O.Fr
http://O.Fr
.conduitor, from L. conductoremagent noun from conducere(see conduce). Meaning "leader of an orchestra or chorus" is from 1784; meaning "one who has charge of passengers and collects fares on a railroad" is 1832, Amer.Eng. Physics sense of "object or device that passes heat" is from 1745; of electricity from 1737.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
conductor
con·duct·or kEn5dQktE(r) / noun1. a person who stands in front of an 
orchestra
 , a group of singers etc., and directs their performance, especially sb who does this as a profession
   (管弦乐队、合唱队等的)指挥;职业指挥
2. (BrE also guard) a person who is in charge of a train and travels with it, but does not drive it
   列车长
3. (BrEa person whose job is to collect money from passengers on a bus or check their tickets
   (公共汽车的)售票员:
   a bus conductor 
   公共汽车售票员 
4. (physics 物) a substance that allows electricity or heat to pass along it or through it
   导体(导电或导热等的物质):
   Wood is a poor conductor. 
   木头不是良好的导体。 
 see also lightning conductor
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of English


conductor 
noun 
person who directs an orchestra 

ADJ. great | famous | chief, principal | guest | opera/operatic, orchestra/orchestral 

PREP. ~ of/with the principal conductor of the Berlin Symphony Orchestra 

PHRASES the conductor's baton 
 • Note at 
JOB
substance that allows heat/electricity to pass through 

ADJ. good | bad, poor | electrical | lightning

Webster's Third New International Dictionary, Unabridged
Search result show the entry is found in: lightning conductor , or neutral conductor , or pullman conductor , or road freight conductor, or tie conductor , or yard conductor , or conductor head , or conjugate conductor

con·duc·tor
\kənˈdəktə(r)\ noun
(-s)
Etymology: alteration (influenced by Latin conductor lessee) of earlier conduitour, conditour commander, guide, from Middle English, commander, from Middle French conduiteur one that conducts, from Medieval Latin conductor escorter, manorial manager, commander, from Latin, lessee, from conductus (past participle of conducere to bring together, hire) + -or — more at 
conduce
1. : one that conducts (as a person that leads or escorts) : 
guide
escort
2. 
 a. obsolete : a commander or leader (as of an army or a ship)
 b. : one in charge of a public conveyance (as a streetcar)
 c. : a railroad employee who supervises the train crew and collects fares from passengers
3. 
 a. : 
downspout
 b. : lightning rod
4. [Latin, lessee] : 
hirer
especially : 
bailee
lessee
5. : a substance or body capable of transmitting electricity, heat, or sound
6. : a person that conducts an orchestra, chorus, or other group of musical performers
7. : a bodily part that transmits excitation (as a nerve fiber)

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