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parallelogram

[par-uh-lel-uh-gram] /ˌpær əˈlɛl əˌgræm/
noun
1.
a quadrilateral having both pairs of opposite sides parallel to each other.
Origin of parallelogram
1560-1570
1560-70; < Late Latin parallēlogrammum < Greek parallēlógrammon. See parallel, -o-, -gram1
Related forms
parallelogrammatic
[par-uh-lel-uh-gruh-mat-ik] /ˌpær əˌlɛl ə grəˈmæt ɪk/ (Show IPA),
parallelogrammatical, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for parallelogram
Historical Examples
  • The form of the charts is a parallelogram constructed on a framework of cane or other light wood.

    Stevensoniana Various
  • The tables at which the guests are seated form three sides of a parallelogram.

    Six Centuries of Painting Randall Davies
  • One window, which he knew was Cara's, still showed a parallelogram of light behind its drawn shade.

    The Lighted Match Charles Neville Buck
  • From shoulders to the ground he was in the form of a parallelogram.

    The Kentucky Ranger Edward T. Curnick
  • A large lantern lighted up the dormitory, which had the shape of a parallelogram eighty yards by ten.

    The Memoires of Casanova, Complete Jacques Casanova de Seingalt
  • The plan is a parallelogram, with a semicircle at the further end.

    The Western World W.H.G. Kingston
  • (in a proposition generally omitted from editions of his works) finds the parallelogram of greatest area with a given perimeter.

  • The eyes are of the shape of a parallelogram with rounded corners.

    The Archaeology of the Yakima Valley Harlan Ingersoll Smith
  • The building is a parallelogram in form, with a frontage of 335 feet.

    Travels in South Kensington Moncure Daniel Conway
  • The parallelogram in the front contains a cross and has the appearance of a labyrinth, but it is not.

    The Swastika Thomas Wilson
British Dictionary definitions for parallelogram

parallelogram

/ˌpærəˈlɛləˌɡræm/
noun
1.
a quadrilateral whose opposite sides are parallel and equal in length See also rhombus, rectangle, trapezium, trapezoid
Word Origin
C16: via French from Late Latin, from Greek parallēlogrammon, from parallēlosparallel + 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
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Word Origin and History for parallelogram
n.

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).

Online Etymology Dictionary, © 2010 Douglas Harper
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parallelogram in Science
parallelogram
  (pār'ə-lěl'ə-grām')   
A four-sided plane figure with opposite sides parallel. Rhombuses and rectangles are parallelograms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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