Appliance 2 topics · 2 sources ScienceEnergyA device for converting one form of energy or fuel into useful energy or work.US DOE Office of Energy Efficiency & Renewable Energy — Glossary of Energy-Related Terms retrieved 2014-05-26 Cite TechnologyStorageA device that performs a single, well-defined function and is simple to install and operate, for example, a NetCache appliance or NetApp filer.NetApp — Network Appliance Corporate Glossary Cite