jitter

/'dʤitə/

Thân thiện

The musician's hand had a slight jitter as he tuned the guitar.

Definition

1. Noun:

   • Small irregular movement: A slight, often rapid, unsteady movement or vibration.
   • Small rapid variations in a signal: In electronics and telecommunications, small, rapid, and unwanted variations in the timing or amplitude of a waveform, often caused by interference or instability.

2. Verb (informal):

   • To be nervous or act nervously: To feel or behave in a restless, anxious, or agitated manner.

Usage and Examples

• As a noun (technical):
  • The video quality was poor due to excessive timing jitter in the signal.
  • The astronomer adjusted the telescope to minimize image jitter caused by the wind.
• As a noun (general):
  • There was a noticeable jitter in his hand as he reached for the glass.
• As a verb (informal):
  • Don't jitter; the interview will be fine.
  • She started to jitter while waiting for the test results.

Advanced Usage

• "The jitters" (noun, plural, informal): A feeling of extreme nervousness.
  • I always get the jitters before giving a public speech.
• "Jitter-free" (adjective): Describing a signal or performance without unwanted variations.
  • This new amplifier promises jitter-free audio playback.

Variants and Related Words

• Jittery (adjective): Nervous or characterized by jerky movements.
  • The jittery horse startled at the loud noise.
  • He felt jittery after drinking too much coffee.
• Jitteriness (noun): The state or quality of being jittery.

Synonyms

• Noun (movement): Tremor, vibration, shake, quiver.
• Noun (signal variation): Fluctuation, instability, noise.
• Verb/State (nervousness): Fidget, tremble, quake, fret.

Related Phrases and Idioms

• "To have the jitters": To be very nervous or anxious.
  • He had the jitters on his first day at the new job.
• "Pre-game jitters": Nervousness felt by athletes or performers before an event.
  • Even seasoned actors sometimes experience pre-show jitters.

Học thuật

Noun

1. a small irregular movement
2. small rapid variations in a waveform resulting from fluctuations in the voltage supply or mechanical vibrations or other sources