abacus
Other forms: abaci; abacuses
An abacus is an ancient tool used for calculating that remains popular in some places even today. Some sort of counter (beads, beans, stones) is moved in a groove or on a wire to represent the different numbers in the equation.
Abacus is a Latin word from a Greek word abax, which meant "counting table." The original abaci were created in sand. The plural abacuses can also be used. In architecture, an abacus can also refer to a flat slab that sits on top of the broad part of a pillar or column (called the capital) to help support a beam (called an architrave) that rests across several pillars.
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a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves
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a tablet placed horizontally on top of the capital of a column as an aid in supporting the architravetype of:tableta slab of stone or wood suitable for bearing an inscription
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Vocabulary lists containing abacus
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