Yes, fuse is a Scrabble word!

Verb

1. Mix together different elements

2. Become plastic or fluid or liquefied from heat

3. Equip with a fuse; provide with a fuse

4. Make liquid or plastic by heating

Noun

1. An electrical device that can interrupt the flow of electrical current when it is overloaded

2. Any igniter that is used to initiate the burning of a propellant