My friends are being really mean and I just want to hear I'm right.
Answers (1)
ap·pli·ance
noun
1. a device or piece of equipment designed to perform a specific task, typically a domestic one.
"electrical and gas appliances"
synonyms: device, machine, instrument, gadget, contraption, apparatus, utensil, implement, tool, mechanism, contrivance, labor-saving device;
informal: gizmo "domestic appliances"
~ google.com
The word can mean anything. An artificial hip joint, a heart pace maker, etc, are all called "appliances".