Longman Dictionary of Contemporary English homepage

Topic: MATHS

Date: 1200-1300
Language: Old French
Origin: arismetique, from Latin, from Greek, from arithmein 'to count', from arithmos 'number'

arithmetic

1 noun
     
a‧rith‧me‧tic1 [uncountable]
HM the science of numbers involving adding, multiplying etc [↪ mathematics]
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