signal

[ˈsignl] n.信号 vi.发信号

Pronunciation

/sɪgˈnəl/

Definitions

Noun

  1. A signal is a visible, audible, or electronic indication that communicates a particular meaning or information. For example: “The traffic signal changed to green, indicating it was safe to proceed.”
  2. In telecommunications or technology, a signal refers to a series of data or instructions transmitted from one place to another. For example: “The satellite transmitted a strong signal to the ground station.”
  3. In psychology, a signal may refer to nonverbal cues that convey meaning, like facial expressions or body language. For example: “Her raised eyebrows were a clear signal of surprise.”

Verb

  1. To send or convey a signal, usually as a warning or instruction. For example: “The pilot signaled for help when the plane encountered trouble.”
  2. To give a sign or indication, often of intention or emotion. For example: “He signaled his approval with a nod.”

Adjective

  1. Characteristic of conveying information or communication. For example: “The signal was too weak to be picked up by the receiver.”
  2. Serving as a marker or indicator. For example: “The signal flag indicated the direction of the ship’s course.”

Phrases

Example Sentences

Synonyms

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