noun
rhombus
RAHM-bus/ˈrɑːmbəs/
A flat four-sided shape with all sides equal in length.
The diagram shows a rhombus with four sides of equal length.
Etymology
Greek rhombos could mean both a spinning-top and a geometric rhomb. The geometric meaning survives here, while the word’s deeper origin is disputed.
In context
then I added to that about two and a half of this rhombus chain
More examples
- Each tile is a blue rhombus.
- These two rhombuses have the same perimeter but different angles.
- A square is a rhombus with four right angles.
Forms
rhombus · rhombuses · rhombi
rhombic adjective — Having the shape of a rhombus.
Similar words
- diamond
- An informal shape name, often suggesting a rhombus resting on a point.
- parallelogram
- Requires parallel opposite sides, but not four equal sides.