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English definition of “arithmetic”

arithmetic

noun [U]  /əˈrɪθ·məˌtɪk/ us  
mathematics the process of making calculations such as adding, multiplying, and dividing by using numbers, or the study of this
arithmetical
adjective /ˌeər·əθˈmet̬·ɪ·kəl, ˌær-/
mathematics an arithmetical operation/progression
arithmetically
adverb /ˌeər·əθˈmet̬·ɪk·li, ˌær-/
mathematics arithmetically equivalent numbers
(Definition of arithmetic from the Cambridge Academic Content Dictionary © Cambridge University Press)
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