Abacus - definition, pronunciation, transcription

Amer.  |ˈæbəkəs|  American pronunciation of the word abacus
Brit.  |ˈabəkəs|  British pronunciation of the word abacus

noun

- a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
- a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves

Examples

The abacus was the precursor of the modern electronic calculator.

The science of calculation by nine figures and zero was gradually superseding the abacus.

Word forms

noun
singular: abacus
plural: abacuses
See also:  WebsterWiktionaryLongman