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振荡 (zhèn dàng) — (physics) vibration; (electrical) oscillation

Definition

A technical noun meaning 'oscillation' — a physical quantity (current, voltage, mechanical position) repeatedly swinging back and forth around an equilibrium. Spans both mechanical vibration and electrical/electromagnetic oscillation.

noun
(physics) vibration(electrical) oscillation

Examples

  • 振荡。
    Jī xiè zhèn dàng shì yì zhǒng cháng jiàn de wù lǐ xiàn xiàng.
    Mechanical oscillation is a common physical phenomenon.
  • 振荡。
    Diàn lù zhōng de zhèn dàng shì yóu diàn róng hé diàn gǎn chǎn shēng de.
    The oscillation in the circuit is generated by capacitors and inductors.
  • 振荡。
    Tā zhèng zài yán jiū diàn cí zhèn dàng.
    He is researching electromagnetic oscillation.

Origin

Compound word
构词法gòucífǎ
联合liánhéCoordinate

Two parts of equal weight, alike or opposite in meaning, standing side by side.

振zhènshake
荡dàngsway

振 means to shake and 荡 means to sway; together they describe repeated vibration or oscillation.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
手手shǒu
Sound part声符shēngfú
辰
辰chén振zhèn
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

振 pairs 手 (hand) with 辰: 手 shows it is about a hand action, and 辰 gives the sound.

Open 振 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 蕩; 荡 is its simplified writing.

The simplified 荡 stands for more than one traditional character. In most words it is 蕩; in others it is 盪.

Meaning part形符xíngfú
艹Written in full as艸cǎo
Sound part声符shēngfú
湯
湯tāng蕩dàng
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

About the traditional form 蕩: it is made of 艹 (grass, written fully as 艸) and 湯, which gives the sound. The simplified 荡 is only a later shorthand.

Open 荡 →
Appears in
Physics & Chemistry

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