parallelogram

[ par-uh-lel-uh-gram ]

/ ˌpær əˈlɛl əˌgræm /

SEE MORE SYNONYMS FOR parallelogram ON THESAURUS.COM

noun

a quadrilateral having both pairs of opposite sides parallel to each other.

Nearby words

paralleling, parallelism, parallelist, parallelistic, parallelize, parallelogram, parallelogram law, parallelogram rule, parallergic, paralogia, paralogism

Origin of parallelogram

1560–70; < Late Latin parallēlogrammum < Greek parallēlógrammon. See parallel, -o-, -gram¹

Related forms

par·al·lel·o·gram·mat·ic

[par-uh-lel-uh-gruh-mat-ik] /ˌpær əˌlɛl ə grəˈmæt ɪk/, par·al·lel·o·gram·mat·i·cal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for parallelogram

Forces acting in the direction of lines forming an obtuse angle, will also produce motion in the diagonal of a parallelogram.
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained|Jane Haldimand Marcet and Thomas P. Jones
The town was a small one, and the fort one of the ordinary native forts, built in a parallelogram with flanking towers.
With Clive in India|G. A. Henty
The plan was a parallelogram in shape except at the west end where the officers' houses formed a semicircle.
Ten years in the ranks, U.S. army|Augustus Meyers
The cantonment was in the form of a parallelogram, with the Bimaru heights running along, and protecting, the northern side.
Forty-one years in India|Frederick Sleigh Roberts

The form was frequently that of a square or a parallelogram, with sides forty or fifty feet long.
The Belief in Immortality and the Worship of the Dead|James George Frazer

British Dictionary definitions for parallelogram

parallelogram

/ (ˌpærəˈlɛləˌɡræm) /

noun

a quadrilateral whose opposite sides are parallel and equal in lengthSee also rhombus, rectangle, trapezium, trapezoid

Word Origin for parallelogram

C16: via French from Late Latin, from Greek parallēlogrammon, from parallēlos parallel + grammē line, related to graphein to write

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for parallelogram

parallelogram

[ păr′ə-lĕl′ə-grăm′ ]

A four-sided plane figure with opposite sides parallel. Rhombuses and rectangles are parallelograms.