appliance
/əˈplaɪəns/noun
1
- a device or piece of equipment designed to perform a specific task, especially a domestic one（用于特定目的的）器具（尤指家用器具）：
electrical and gas appliances.
电器和燃气器具。
1.1
- a fire engine消防车。
2
- mass noun Brit. the action or process of bringing something into operation〈英〉应用：
the appliance of science could increase crop yields.
科学的应用会增加农作物的产量。