- 催泪瓦斯 cuīlèiwǎsī tear gasa chemical substance that irritates the eyes and causes tears
- 塞瓦斯托波尔 sàiwǎsītuōbō'ěr SevastopolSevastopol, a port city on the Crimean Peninsula
- 瓦斯炉 wǎsīlú gas stoveA stove that uses gas as fuel.
- 毒瓦斯 dúwǎsī poisonous gaspoisonous gas; specifically a chemical warfare agent used in military operations
- 天然瓦斯 tiānránwǎsī natural gasNatural gas, mainly composed of methane, produced naturally underground (Taiwan usage, called [[天然气|天然氣|tian1 ran2 qi4]] in Mainland China)
- 格瓦斯 géwǎsī kvass(loanword) a traditional fermented beverage made from rye bread
- 卡瓦斯 kǎwǎsī kvass(loanword) kvass; a fermented grain drink originally from Russia and popular in northern China
- 瓦斯钢瓶 wǎsīgāngpíng gas cylindermetal tank or canister used for storing and transporting pressurized fuel gas
- 塔瓦斯科 tǎwǎsīkē TabascoTabasco, a state in southern Mexico
- 液体瓦斯 yètǐwǎsī liquefied petroleum gasliquefied petroleum gas (LPG) or bottled gas used for fuel
- 液化瓦斯 yèhuàwǎsī liquefied petroleum gas (Taiwan)Gaseous fuel processed from natural gas, petroleum, or coal and compressed into liquid for storage; term used primarily in Taiwan, equivalent to [[液化气|液化氣|ye4 hua4 qi4]] in Mainland China
- 瓦斯弹 wǎsīdàn gas bombA gas shell or gas bomb; specifically one used by police for riot control that can cause coughing, sneezing, or tears.
- 瓦斯桶 wǎsītǒng gas cylindercanister or metal tank used for storing and transporting liquefied petroleum gas or natural gas
- 瓦斯车 wǎsīchē LPG vehicleA vehicle fueled by natural gas or liquefied petroleum gas, used to reduce air pollution from exhaust emissions.
- 瓦斯透平 wǎsītòupíng gas turbinea combustion engine that converts natural gas or other liquid fuels into mechanical energy through an internal rotating impeller
