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Glite Dictionary
harmonic motion

harmonic motion

1 6.3
A movement that goes back and forth around a middle point, like a pendulum
  • noun
  • /hɑːrˈmɒnɪk ˈmoʊʃən/
  • Specialized
translation icon : movimiento armónico
  • The system exhibits harmonic motion as it oscillates around its equilibrium position, creating a smooth and regular pattern.

OK, that is today's lesson on simple harmonic motion.

Examples

  • They are still like simple harmonic motion on their own.

  • Songwriting can be complicated because classical and popular musicians tend to hear, see, and conceptualize harmonic motion differently.

    Academic text (2011)

  • Are your students studying harmonic motion?

    Academic text (1990)

  • Oh, and you make that assumption of the harmonic motion in there.

  • The pendulum swings back and forth in harmonic motion, returning to its starting point with each oscillation.

  • When you pluck a guitar string, it vibrates in harmonic motion, producing a steady sound wave.

Synonyms

oscillation
vsharmonic motion
  • Specialized
9 7.2

A repeated movement between two positions, often in a regular rhythm

is symmetric around an equilibrium point rather than any repeated travel
periodic motion
vsharmonic motion
  • Specialized
4.1

Movement that repeats at regular times, with each cycle taking the same amount of time

focuses on symmetry around equilibrium rather than mere repetition
periodic movement
vsharmonic motion
  • Specialized
6.1

Motion that repeats at regular times, like a swinging pendulum

highlights symmetric back and forth around equilibrium rather than repeating cycles

Surface Forms

harmonic motion singular
harmonic motions plural

Morphology

harmonic + motion

The compound combines 'harmonic' (relating to harmonics/regular periodic oscillation) with 'motion' (movement), so a learner who knows both words can infer it refers to some kind of regular or periodic movement. However, the precise technical notion (sinusoidal oscillation around an equilibrium or sum of such motions) is domain-specific and not fully predictable from the constituents alone, so full comprehension requires prior exposure or physics knowledge.

Etymology

The noun harmonic motion comes from comparing smooth, regular movement to music: harmonic means like a steady musical tone and motion means movement. Imagine a pendulum or a tuning fork that moves in a steady rhythm; because the movement 'repeats' and stays balanced around a 'center', the phrase means a steady 'back and forth' movement around that point.