Abacus

/ˈæbəkəs/

nounBeginnerCommonTechnology

Definitions

1

a device for performing arithmetic operations, consisting of a frame with rods or wires along which beads or counters are moved

/ˈæbəkəs/

nounneutralBeginner
Technology

a framed device for facilitating arithmetical calculations

The teacher showed the students how to use the abacus for addition and subtraction.

💡 Simply: a tool for counting and basic math

More Examples

2

He had an antique wooden abacus in his office.

How It's Used

Mathematics

"Students learned how to use an abacus in their arithmetic class."

From Late Latin abacus, from Greek abax, abakos 'counting board or table', of uncertain ultimate origin.

The abacus has been used for centuries across different cultures, such as the Chinese, Roman, and Babylonian civilizations.

Memory tip

Ancient device for calculations

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