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Webster 1913 Edition
Abacist
Ab′a-cist
(ăb′ȧ-sĭst)
, Noun.
 [LL 
abacista
, fr. abacus
.] One who uses an abacus in casting accounts; a calculator. 
Webster 1828 Edition
Abacist
AB'ACIST
,Noun.
 Definition 2025
abacist
abacist
English

An abacist (right).
Noun
abacist (plural abacists)
- One who uses an abacus in casting accounts; a calculator. [First attested from around (1350 to 1470).][1]
 
Translations
One who uses an abacus.
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References
- ↑ Lesley Brown (editor), The Shorter Oxford English Dictionary, 5th edition (Oxford University Press, 2003 [1933], ISBN 978-0-19-860575-7), page 2