气闸 (qì zhá) — air brake; pneumatic brake

Definition

noun
air brakepneumatic brake
Measure word · 个

Examples

  • 气闸,。
    Huǒ chē shàng de qì zhá huài le, sī jī mǎ shàng tíng chē jiǎn chá.
    The air brake on the train malfunctioned, so the driver stopped immediately to check.
  • 气闸。
    Zhòng xíng kǎ chē shǐ yòng de qì zhá bǐ chuán tǒng shā chē gèng ān quán.
    The pneumatic brake used on heavy trucks is safer than traditional brakes.
  • 气闸。
    Gōng chéng shī zhèng zài cè shì xīn de qì zhá xì tǒng.
    The engineer is testing the new air brake system.

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.

闸zhábrake

“气” means air and “闸” means a brake or gate, giving an air brake.

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 氣; 气 is its simplified writing.

Meaning part形符xíngfú
米米mǐrice
Sound part声符shēngfú
气
气qì氣qì
Same sound today

The traditional form 氣 pairs 米 (rice) with 气, which supplies the sound; the simplified 气 is a later abbreviation.

Open 气 →

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 閘; 闸 is its simplified writing.

Meaning part形符xíngfú
門門méngate
Sound part声符shēngfú
甲
甲jiǎ閘zhá
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 閘 pairs 門 (gate) with 甲, which gives the sound; the simplified 闸 is not the form described here.

Open 闸 →

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