algorism stone
historical in later use
noun
A counter used to perform calculations, especially as part of an abacus.
Origin
Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator.
| 单词 | algorism stone |
| 释义 | algorism stonehistorical in later use noun A counter used to perform calculations, especially as part of an abacus. Origin |
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