Meaning of “abacus” in the English Dictionary

american-english dictionary

"abacus" in British English

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(Definition of “abacus” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"abacus" in American English

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abacusnoun [ C ]

us /ˈæb·ə·kəs, əˈbæk·əs/

a frame that holds thin metal rods with balls that slide on them, used for counting, adding, and subtracting

(Definition of “abacus” from the Cambridge Academic Content Dictionary © Cambridge University Press)