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  1. Rhombus - Wikipedia

    The rhombus has a square as a special case, and is a special case of a kite and parallelogram. In geometry, a rhombus (pl.: rhombi or rhombuses) is an equilateral quadrilateral, a quadrilateral whose …

  2. Rhombus | Definition, Properties, Formulas, & Facts | Britannica

    Nov 21, 2025 · A rhombus is a four-sided geometric figure in which all four sides are of the same length and each of the two pairs of opposite sides are parallel to each other. It is a type of parallelogram. Its …

  3. Rhombus: Definition, Properties, Formula and Examples

    Aug 21, 2025 · A rhombus is a special case of a parallelogram, and if all its angles are 90 degrees, it becomes a square. A Rhombus is also known as a Rhomb, a Lozenge, and a Diamond.

  4. RHOMBUS Definition & Meaning - Merriam-Webster

    The meaning of RHOMBUS is a parallelogram with four equal sides and sometimes one with no right angles.

  5. Rhombus - Definition, Angles, Properties, Formulas, Examples

    Rhombus is a special type of a parallelogram whose all sides are equal. Let's learn about properties of rhombus, formulas for area and perimeter, examples, & more.

  6. Rhombus - Properties, Definition, Formulas, Examples - Cuemath

    A rhombus is a closed two-dimensional plane figure. It is considered a special parallelogram, and because of its unique properties, it gets an individual identity as a quadrilateral. A rhombus is also …

  7. Rhombus - Math is Fun

    (Jump to Area of a Rhombus or Perimeter of a Rhombus). A Rhombus is a flat shape with 4 equal straight sides. A rhombus looks like a diamond.

  8. RHOMBUS Definition & Meaning | Dictionary.com

    RHOMBUS definition: an oblique-angled equilateral parallelogram; any equilateral parallelogram except a square. See examples of rhombus used in a sentence.

  9. Rhombus - math word definition - Math Open Reference

    Definition: A quadrilateral with all four sides equal in length. Try this Drag the orange dots on each vertex to reshape the rhombus. Notice how the four sides remain the same length and the opposite sides …

  10. Rhombus: Its Properties, Shape, Diagonals, Sides and Area Formula

    Probably the most famous rhombus out there is the baseball diamond. The distance between each base is the same, making the shape a rhombus! More interesting math facts! A rhombus is a type of …