Definitions

(noun) steam; vapor

Etymology

Phonosemantic compound. represents the meaning and represents the sound.

About

The character "汽" is structurally composed of the water radical (氵) and the component "气", which denotes steam or air, etymologically signaling its original meaning of water vapor or mist. Initially used to describe steam arising from heated water, its application later expanded during the industrial period to encompass steam-powered machinery, as in terms like "汽船" for steamship. The semantic range further evolved with technological advancements, leading to its modern association with petroleum-based fuels, exemplified by "汽油" for gasoline, while still retaining its foundational link to vapor in words such as "蒸汽". Throughout these changes, the character's form has consistently integrated the water radical to imply a liquid or vapor state and the "气" component to convey the concept of a gaseous substance.

Etymology Hide

Seal etymology image
Seal Shuowen (~100 AD)
Traditional Modern
Simplified Modern

Example Sentences Hide

车停在路边。

Qìchē tíng zài lùbiān.

The car is parked by the roadside.

水烧开时冒出蒸

Shuǐ shāokāi shí mào chū zhēngqì.

Steam comes out when water boils.

油是一种重要能源。

Qìyóu shì yī zhǒng zhòngyào néngyuán.

Gasoline is an important energy source.

这家工厂生产车零件。

Zhè jiā gōngchǎng shēngchǎn qìchē língjiàn.

This factory produces auto parts.

机车已被淘汰。

Zhēngqì jīchē yǐ bèi táotài.

Steam locomotives have been phased out.

新能源车越来越普及。

Xīnnéngyuán qìchē yuè lái yuè pǔjí.

New energy vehicles are becoming more and more popular.

车尾气会污染空气。

Qìchē wěiqì huì wūrǎn kōngqì.

Vehicle exhaust can pollute the air.

化过程需要吸收热量。

Qìhuà guòchéng xūyào xīshōu rèliàng.

The vaporization process requires the absorption of heat.