[par-uh-lel-uh-gram] /ˌpær əˈlɛl əˌgræm/
a quadrilateral having both pairs of opposite sides parallel to each other.
a quadrilateral whose opposite sides are parallel and equal in length See also rhombus, rectangle, trapezium, trapezoid
1560s, from Middle French parallélogramme (1550s) and directly from Late Latin parallelogrammum, from Greek parallelogrammon noun use of neuter adjective meaning “bounded by parallel lines,” from parallelos (see parallel) + stem of graphein “to write” (see -graphy).
A four-sided plane figure with opposite sides parallel. Rhombuses and rectangles are parallelograms.
noun 1. Mathematics, Physics. a rule for adding two vectors, as forces (parallelogram of forces) by placing the point of application of one at the point of origin of the other and obtaining their sum by constructing the line connecting the two remaining end points, the sum being the diagonal of the parallelogram whose adjacent […]
- Parallelogram rule
noun 1. (maths, physics) a rule for finding the resultant of two vectors by constructing a parallelogram with two adjacent sides representing the magnitudes and directions of the vectors, the diagonal through the point of intersection of the vectors representing their resultant
- Parallel pascal
language A data-parallel language, similar to Actus and Glypnir. [“Parallel Pascal: An Extended Pascal for Parallel Computers”, A. Reeves, J Parallel Dist Computing 1:64-80 (1984)]. (1995-05-07)
noun 1. a form of play in which a very young child plays independently in the presence of another child or other children.