Pronunciation: /əˈbæk.aɪ/

Definitions of abaci

noun a plural form of the noun abacus, which is a calculating tool used for arithmetic calculations

Example Sentences

A1 Abaci are ancient counting tools.

A2 The abaci were used by merchants in the past to calculate sums.

B1 Students in the math class were learning how to use abaci.

B2 The abaci is a versatile tool that can be used for various calculations.

C1 The abaci has been replaced by modern calculators in most educational settings.

C2 Historians study the evolution of abaci in different cultures throughout history.

Examples of abaci in a Sentence

formal The student used abaci to solve complex mathematical problems in the classroom.

informal I found some old abaci in my grandparents' attic.

slang Hey, check out these cool abaci I found at the flea market!

figurative The abaci of history continue to shape our understanding of the past.

Grammatical Forms of abaci

plural

abaci

present tense

abacus

future tense

will abacus

perfect tense

has abacused

continuous tense

is abacusing

singular

abacus

positive degree

more abacus

infinitive

to abacus

gerund

abacusing

participle

abacused

Origin and Evolution of abaci

First Known Use: 1250 year
Language of Origin: Latin and Greek
Story behind the word: The word 'abaci' originated from the Latin word 'abacus', which in turn came from the Greek word 'abax' meaning 'calculating table'.
Evolution of the word: Originally used to refer to a counting device, the word 'abaci' has evolved to also refer to the plural form of 'abacus' in English.