汽 (qì) — steam; vapor

Definition

Examples

  • 汽。
    Guō lú lǐ de qì yā hěn dà.
    The steam pressure in the boiler is very high.
  • 。
    Shuǐ kāi le yǐ hòu huì biàn chéng shuǐ qì.
    After water boils, it turns into water vapor.
  • 。
    Kōng qì zhōng chōng mǎn le shuǐ qì.
    The air is full of water vapor.

Origin

Sound + meaning
六书liùshū
形声xíngshēng

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
氵Written in full as水shuǐwater
Sound part声符shēngfú
气
Same sound today

The 氵 part is water, and 气 is used for the sound and also means air, so 汽 shows water in an air-like form.

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