parallelogram

par·al·lel·o·gram

[par-uh-lel-uh-gram]
noun
a quadrilateral having both pairs of opposite sides parallel to each other.

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

par·al·lel·o·gram·mat·ic [par-uh-lel-uh-gruh-mat-ik] , par·al·lel·o·gram·mat·i·cal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To parallelogram
Collins
World English Dictionary
parallelogram (ˌpærəˈlɛləˌɡræm) [Click for IPA pronunciation guide]
 
n
rhombus rectangle trapezium See also trapezoid a quadrilateral whose opposite sides are parallel and equal in length
 
[C16: via French from Late Latin, from Greek parallēlogrammon, from parallēlosparallel + grammē line, related to graphein to write]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Parallelogram is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
American Heritage
Science Dictionary
parallelogram   (pār'ə-lěl'ə-grām')  Pronunciation Key 
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.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature