signal

  1. Noun.  An indication given to another person.
  2. Noun.  An on-off light, semaphore, or other device used to give an indication to another person.
  3. Noun.  (of a radio, TV, telephone, internet, etc) An electrical or electromagnetic action, normally a voltage that is a function of time that conveys the information of the radio or TV program or of communication with another party.
  4. Noun.  Useful information.
  5. Noun.  (computing, Unix) A simple interprocess communication used to notify a process or thread of an occurrence.
  6. Verb.  To indicate.
  7. Adjective.  Standing above others in rank, importance, or achievement.

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This entry was last updated on RefTopia from its source on 3/20/2012.