Longman Dictionary of Contemporary English homepage

Sense: 1
Date: 1800-1900
Origin: ampere
Sense: 2
Date: 1900-2000
Origin: amplifier

amp

noun
     
Related topics: Electricity, Recording, Electricity
amp [countable]
1 also am‧pereTPEHPE a unit for measuring electric current:
a 3 amp fuse
2 informalTCR an amplifier

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary