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单词 semaphore
释义

WordReference Random House Learner's Dictionary of American English © 2024
sem•a•phore /ˈsɛməˌfɔr/USA pronunciation   n., v., -phored, -phor•ing. 
n. 
  1. Telecommunications[uncountable] a system of signaling, esp. one by which a flag is held in each hand and various positions of the arms indicate specific letters, etc.
  2. [countable] an apparatus used in this system.

v. 
  1. Telecommunicationsto signal by semaphore: [+ object]to semaphore a message.[no object]busily semaphoring to the other ship.

WordReference Random House Unabridged Dictionary of American English © 2024
sem•a•phore  (semə fôr′, -fōr′),USA pronunciation n., v., -phored, -phor•ing. 
n. 
  1. Telecommunicationsan apparatus for conveying information by means of visual signals, as a light whose position may be changed.
  2. Telecommunicationsany of various devices for signaling by changing the position of a light, flag, etc.
  3. Telecommunicationsa system of signaling, esp. a system by which a special flag is held in each hand and various positions of the arms indicate specific letters, numbers, etc.

v.t., v.i. 
  1. Telecommunicationsto signal by semaphore or by some system of flags.
  • Greek sêma sign + -phore
  • 1810–20;
sem•a•phor•ic  (sem′ə fôrik, -for-),USA pronunciation sem′a•phori•cal, adj.  sem′a•phori•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
semaphore /ˈsɛməˌfɔː/ n
  1. an apparatus for conveying information by means of visual signals, as with movable arms or railway signals, flags, etc
  2. a system of signalling by holding a flag in each hand and moving the arms to designated positions to denote each letter of the alphabet
vb
  1. to signal (information) by means of semaphore
Etymology: 19th Century: via French, from Greek sēma a signal + -phore

semaphoric /ˌsɛməˈfɒrɪk/, ˌsemaˈphorical adj
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更新时间:2024/9/20 12:26:33