Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fuse”

fuse

noun [C]  /fjuz/ us  

fuse noun [C] (SAFETY DEVICE)

a safety device for protecting an electrical system which contains a material that will melt if too much electricity passes through the system

fuse noun [C] (EXPLOSIVE DEVICE)

a cord or tube along which a flame moves to light fireworks or bomb, or a device inside a bomb that causes it to explode at a particular time or when it hits something

fuse

verb [I/T]  /fjuz/ us  

fuse verb [I/T] (JOIN)

to join or become combined, or to cause things to join: [I] The two cells are fused with a jolt of electricity. [T] The heat of the fire fused many of the machine’s parts together.
(Definition of fuse from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of fuse?
Browse related topics

You are looking at an entry to do with Connecting and combining, but you might be interested in these topics from the Cutting and joining topic area:

Add Cambridge dictionaries to your browser to your website

More American English definitions for “fuse”

Definitions of “fuse” in other dictionaries

Word of the Day

microbrewery

a small company that makes beer, usually using traditional methods, and often has a restaurant where its beer is served

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More