abacus
noun/ˈæbəkəs/
Frequency rank: #17,815 most common English word
Meaning
A counting frame with beads on rods, used for arithmetic calculations.

Example sentence
The teacher showed students how to count quickly using abacus.
Synonyms & related words
- calculator
- counter
- counting-frame
Practice this word in the quiz
More words in ranks 17,801–17,900
- unknowableimpossible to know or understand; beyond the limits of human knowledge.
- unreachableimpossible to reach or contact; not accessible.
- vastnessThe quality or state of being extremely large or wide in extent.
- waistcoata sleeveless garment buttoned down the front, worn over a shirt and under a jacket
- wheelbarrowa small cart with one wheel at the front, two handles at the back, and a large open container, used for moving heavy loads.
- absorbersdevices or materials that take in or reduce the impact of force, energy, or sound
- aceticOf, relating to, or containing acetic acid or vinegar.
- agapeWide open, especially of the mouth in surprise or wonder.
- aimlessWithout purpose or direction; having no clear goal.
- aniseA flowering plant whose seeds have a sweet, licorice-like taste, used as a spice or flavoring.