WARNING: Antidepressant medications are used to treat a variety of conditions, including depression and other mental/mood disorders. These medications can help prevent suicidal thoughts /attempts and provide other important benefits.
Definition of parallel for Students. 1  1 : a line or surface that lies at or moves in the same direction as another but is always the same distance from it. 2  2 : one of the imaginary circles on the earth's surface running in the same direction as the equator and marking latitude.
What is a Parallelogram? A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel. Special relationships exist between the measures of consecutive angles, opposite angles and opposite sides of a parallelogram. A square is the most straightforward parallelogram, because it has 2 sets of parallel sides.