(chiefly in fixed expressions, physics, meteorology) Clipping of không khí (“air”). / (chemistry) gas / (philosophy) chi / (fiction) an aura (chi) that can be sensed by chi masters, usually helps them notice the presence of someone or something even without seeing that person or thing

qigong

air (gases making up the atmosphere of a planet) / atmosphere; ambiance

(chemistry) a gas (as a state of matter)

(meteorology) climate

(obsolete) carbon dioxide

(dated) oxygen (molecular oxygen)

atmosphere

weapon, arms

gas