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気体 (きたい, kitai) Japanese meaning: gas | Kotomora

気き体たい

き

た

い

Common word›JLPTN2›Freq.FrequencyTop 50,000

Meanings

1

gas; vapor; gaseous body

Refers to gas as a state of matter, often contrasted with 液体 (liquid) and 固体 (solid).

See also: 液体 · 固体

水みずは100度どで気

き

体たい

に

なる

。

Water becomes a gas at 100 degrees.

気き体たいの状じょう態たい方ほう程てい式しきを学まなんだ。

We learned the ideal gas law.

Usage patterns

〈物もの〉が気き体たいになるfor something to turn into a gas
水みずを加か熱ねつすると気き体たいになる。
When you heat water, it turns into a gas.
気き体たいを発はっ生せいさせるto generate/produce a gas
この反はん応のうは有ゆう毒どくな気き体たいを発はっ生せいさせる。
This reaction generates a toxic gas.
気き体たいが液えき体たいに変へん化かするfor a gas to change into a liquid (condense)
冷ひやすと気き体たいが液えき体たいに変へん化かする。
When cooled, the gas changes into a liquid.

Kanji

気spirit, mind, air
体body, substance, object

Related words

ガスN4
ガス is the everyday loanword for gas (e.g. cooking gas or exhaust), while 気体 is the formal, scientific term for the gaseous state of matter.

Opposites

液えき体たいN2
液体 refers to the liquid state of matter, the physical opposite of 気体 (gas) in the solid–liquid–gas classification.
固こ体たいN1
固体 refers to the solid state of matter, contrasted with 気体 (gas) as another basic phase of matter.

Don't confuse with

流りゅう体たい
気体 refers specifically to gases, whereas 流体 is the broader physics term covering both liquids and gases.

Word family· 8

星せい気き体たい
astral body
完かん全ぜん気き体たい
perfect gas; ideal gas
実じつ在ざい気き体たい
real gas
気き体たい力りき

Built from

気き+体たい

Etymology

Compound of 気 (ki, 'spirit; air') and 体 (tai, 'body; substance'), literally 'air-body'. A Meiji-era coinage for the scientific concept of gas.

学がく

gas dynamics

気き体たい定てい数すう

gas constant (R)

Show 3 more

理り想そう気き体たい
ideal gas; perfect gas
不ふ活かっ性せい気き体たい
inert gas · noble gas
気き体たい反はん応のうの法ほう則そく
law of combining volumes