气体

Traditional form:

氣體

Pinyin (reading):

qìtǐ

Definitions:

• gas (i.e. gaseous substance)

Characters:

• 气 - air, gas; steam, vapor; anger
• 体 - body; group, class; form, style, system

Traditional characters:

• 氣 - air, gas; steam, vapor; anger
• 體 - body; group, class; form, style, system