a branch of Earth science which studies the physical nature and history of the Earth meteorology a branch of Earth science which studies the atmosphere and the weather
Parallelogram synonyms and Parallelogram antonyms. Top synonym for parallelogram (another word for parallelogram) is quadrilateral. Search for synonyms and antonyms
A parallelogram is a quadrilateral with two pairs of parallel sides. Equivalent conditions are that opposite sides are of equal length; that opposite angles are equal; or that the diagonals bisect each other. Parallelograms also include the square, rectangle, rhombus and rhomboid. Rectangle: all four angles are right angles. 2  An equivalent condition is that the diagonals bisect each other and are equal in length. 3  Informally: a box or oblong (including a square). 4  Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles.