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Abacus - Dictionary Definition and Overview |
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Abacus : (noun)
1: a tablet placed horizontally on top of the capital of a
column as an aid in supporting the architrave
2: a calculator that performs arithmetic functions by manually
sliding counters on rods or in grooves
Based on WordNet 2.0
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Abacus : \Ab"a*cus\ ([a^]b"[.a]*k[u^]s), n.; E. pl. Abacuses; L.
pl. Abaci (-s[imac]). [L. abacus, abax, Gr. 'a`bax]
1. A table or tray strewn with sand, anciently used for
drawing, calculating, etc. [Obs.]
2. A calculating table or frame; an instrument for performing
arithmetical calculations by balls sliding on wires, or
counters in grooves, the lowest line representing units,
the second line, tens, etc. It is still employed in China.
3. (Arch.)
(a) The uppermost member or division of the capital of a
column, immediately under the architrave. See
Column.
(b) A tablet, panel, or compartment in ornamented or
mosaic work.
4. A board, tray, or table, divided into perforated
compartments, for holding cups, bottles, or the like; a
kind of cupboard, buffet, or sideboard.
Abacus harmonicus (Mus.), an ancient diagram showing the
structure and disposition of the keys of an instrument.
--Crabb.
Based on WordNet (r) 2.0 (August 2003)
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