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Topic: ELECTRICITY

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

amp

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