When symptoms occur, they often develop gradually, and may include: 1  Cough. 2  Fatigue, exhaustion, and light-headedness. 3  Rapid breathing.  Sensation of feeling the heart beat (palpitations) or a rapid 1  heartbeat. Shortness of breath that increases with activity and when lying down.
Yes, because a square is just a rhombus where the angles are all right angles. It is more common to call this shape a rhombus, but some people call it a rhomb or even a diamond.
Rhombus. In Euclidean geometry, a rhombus, plural rhombi or rhombuses, is a simple quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral, since equilateral means that all of its sides are equal in length.iktionary (0.00 / 0 votes) Rate this definition: rhombus (Noun). Any of several flatfishes once considered part of the genus Rhombus. rhombus (Noun). A parallelogram having all sides of equal length. Origin: From rhombus, from á¿¥ÏÎ¼Î²Î¿Ï, from á¿¥Î­Î¼Î²Ï.