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| sig·nal [ sígn'l ] |
noun (plural sig·nals) |
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| Definition: |
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1. means of communication: an action, gesture, or sign used as a means of communication
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2. communicated information: a piece of information communicated by an action, gesture, or sign
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3. incitement: something that incites somebody to action
  The threat of a shortage was a signal to hoard.
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4. electronics transmitted information: information transmitted by means of a modulated current or an electromagnetic wave and received by telephone, telegraph, radio, television, or radar
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adjective |
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| Definition: |
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notable: of considerable importance
a signal accomplishment
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verb (past and past participle sig·naled, present participle sig·nal·ing, 3rd person present singular sig·nals) |
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| Definition: |
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1. transitive and intransitive verb send message using signal: to communicate a message to somebody using a signal or signals
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2. transitive verb communicate something: to communicate something with an action or gesture
She signaled her impatience.
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3. transitive verb indicate something: to be a sign that something has happened or is about to happen
This event signaled the end of the conflict.
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| [14th century. Via French< medieval Latin signale< Latin signum "mark, sign"] |
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| sig·nal·er noun |
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