Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fuse”

See all translations

fuse

noun [C] uk   /fjuːz/ us  

fuse noun [C] (SAFETY PART)

a small safety part in an electrical device or piece of machinery that causes it to stop working if the electric current is too high, and so prevents fires or other dangers: My hairdryer's stopped working - I think the fuse has blown (= broken). Have you tried changing the fuse?

fuse noun [C] (DEVICE ON EXPLOSIVE)

a string or piece of paper connected to a firework or other explosive product by which it is lit, or a device inside a bomb that causes it to explode after a fixed length of time or when it hits or is near something: He lit the fuse and ran.

fuse

verb [I or T] uk   /fjuːz/ us  

fuse verb [I or T] (JOIN)

to join or become combined: Genes determine how we develop from the moment the sperm fuses with the egg. The bones of the skull are not properly fused at birth. In Istanbul, East and West fuse together in a way that is fascinating to observe.

fuse verb [I or T] (MELT)

to (cause to) melt (together) especially at a high temperature: The heat of the fire fused many of the machine's parts together.

fuse verb [I or T] (STOP WORKING)

UK When an electrical device or piece of machinery fuses, or when someone or something fuses it, it stops working because the electric current is too high: Either my headlights have fused or the bulbs have gone. The kids were messing around with the switches and they fused the lights.
(Definition of fuse from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of fuse?
Add Cambridge dictionaries to your browser to your website

Definitions of “fuse” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More