Definition of abacus Abacus
/æˈbʌkʌs/ - [abukus] - ab•a•cus
We found 15 definitions of abacus from 8 different sources.
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What does abacus mean?
WordNet
NounPlural: abacuses |
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| abacus - a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves | ||
| abacus - a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave |
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Wiktionary 
- abacus (Noun)
A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard.
Webster DictionaryWebster's Unabridged Dictionary 📘
- abacus (n.)
A table or tray strewn with sand, anciently used for drawing, calculating, etc. - abacus (n.)
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. - abacus (n.)
The uppermost member or division of the capital of a column, immediately under the architrave. See Column. - abacus (n.)
A tablet, panel, or compartment in ornamented or mosaic work. - abacus (n.)
A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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abacus
A flat slab forming the uppermost member or division of the capital of a column, above the bell. -
abacus
A Greek and Latin board for calculating or playing. -
abacus
The cover plate of a column as an aid in supporting the architrave.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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abacus
ab′a-kus, n. a counting-frame or table: (archit.) a level tablet on the capital of a column, supporting the entablature:—pl. Ab′acī.—ns. Abacis′cus, Abac′ulus, dims. of Abacus; Ab′acist, one who counts with the abacus. [L.—Gr. abax, abakos, a board for reckoning on.]
Sailor's Word-BookThe Sailor's Word-Book ⛵
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abacus
A board with balls sliding on small rods, used in China, Russia, &c., for calculating bills, &c.
Wikipedia 
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Abacus is a very old tool used for arithmetic. It is still used in some parts of the world. Sometimes blind people will use an abacus, because they can feel the numbers easily. The most common abacuses work by moving beads on rods.
Abacuses can do addition, subtraction, multiplication, division, and people can use them to find the square root of whole numbers. Expert, or very good, abacus users can sometimes do math quicker than basic calculators. There is a common chinese abacus. This abacus is splited into two basic rows, one row for the "5"s, and the bottom row for the "ones". There is one or two beads in the top row, and four or five beads in the bottom one. For example, 8 is, one on top, and 3 below, because 5 + 3 = 8. Every collumn represents a different digit.
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