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电晕 (diàn yūn) — corona discharge

Definition

noun
corona discharge

Examples

  • 电晕。
    Gāo yā diàn xiàn fù jìn jīng cháng chū xiàn diàn yūn xiàn xiàng.
    Corona discharge often occurs near high-voltage power lines.
  • 电晕。
    diàn yūn Huì chǎn shēng chòu yǎng hé zào yīn.
    Corona discharge produces ozone and noise.
  • 电晕。
    Gōng chéng shī zhèng zài yán jiū rú hé jiǎn shǎo diàn yūn de sǔn hào.
    Engineers are studying how to reduce the loss from corona discharge.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

电diànelectricity
晕yūnhalo/glow

电 is electricity, and 晕 is a halo or glow, giving corona discharge.

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.

This origin belongs to the traditional form 電; 电 is its simplified writing.

Meaning part形符xíngfú
雨雨yǔrain
Sound part声符shēngfú
申
申shēn電diàn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

For the traditional form 電, 雨 (rain) sits with 申, read shēn and meaning lightning.

Open 电 →

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 暈; 晕 is its simplified writing.

Meaning part形符xíngfú
日日rìSun
Sound part声符shēngfú
軍
軍jūn暈yùn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 暈 first drew 日 (the sun) ringed by lines for a halo, and later paired 日 with the sound part 軍. The simplified 晕 is a later abbreviation.

Open 晕 →
Appears in
Physics & Chemistry

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