abacus
Abacus (noun) means a manual calculating tool made of a frame with rows of sliding beads, used to add, subtract, and perform other arithmetic. Example: “Her grandmother could add up long columns of numbers on an abacus faster than most people with a calculator.”
How to use abacus
Learner’s notesIn plain EnglishA wood-and-bead counting frame used to do arithmetic by hand.
Word forms
abaci plural, abacuses plural
Fill the gap
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Her grandmother could add up long columns of numbers on an _____ faster than most people with a calculator.
Etymology
From Latin abacus, from Ancient Greek ábax, meaning a slab or board covered in sand for drawing or counting.
Rhymes for abacus
See all rhymes for abacus →Frequently asked questions
What does “abacus” mean?
The word “abacus” means a manual calculating tool made of a frame with rows of sliding beads, used to add, subtract, and perform other arithmetic. In plain terms, a wood-and-bead counting frame used to do arithmetic by hand.
How do you pronounce “abacus”?
“Abacus” is pronounced A-buh-kuhs (/ˈæbəkəs/ in IPA).
How do you use “abacus” in a sentence?
Here is “abacus” used in a sentence: “Her grandmother could add up long columns of numbers on an abacus faster than most people with a calculator.”
What part of speech is “abacus”?
“Abacus” is a noun.
Where does the word “abacus” come from?
The word “abacus” comes from Ancient Greek. From Latin abacus, from Ancient Greek ábax, meaning a slab or board covered in sand for drawing or counting.
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