Quantcast
 
Dictionary
Thesaurus
Encyclopedia
Translator
Web

Quadrilateral

 - 5 dictionary results
Quadrilateral math
Identify quadrilaterals Find area, perimeter, much more!
www.ixl.com/math

quad⋅ri⋅lat⋅er⋅al

[kwod-ruh-lat-er-uhl]
–adjective
1. having four sides.
–noun
2. a plane figure having four sides and four angles.
3. something of this form.
4. Geometry.
a. a figure formed by four straight lines that have six points of intersection.
b. a polygon with four sides.
5. the space enclosed between and defended by four fortresses.

Origin:
1640–50; < L quadrilater(us) four-sided + -al 1 . See quadri-, lateral


quad⋅ri⋅lat⋅er⋅al⋅ly, adverb
quad⋅ri⋅lat⋅er⋅al⋅ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
Cite This Source Link To Quadrilateral
Quadrilateral math
Identify quadrilaterals Find area, perimeter, much more!
www.ixl.com/math
quad·ri·lat·er·al   (kwŏd'rə-lāt'ər-əl)   


(click for larger image in new window)
n.   Mathematics
A polygon having four sides.
adj.  Having four sides.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

quadrilateral  (n.)
1650, from L. quadrilaterus, from quadri- "four" + latus (gen. lateris) "side" (see oblate (n.)).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: quad·ri·lat·er·al
Pronunciation: "kwäd-r&-'lat-&-r&l, -'la-tr&l
Function: adjective
: havingfour sides quadrilateral muscle>
Science Dictionary
quadrilateral   (kwŏd'rə-lāt'ər-əl)  Pronunciation Key 
A polygon that has four sides, such as a rectangle or rhombus.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Search another word or see Quadrilateral on Thesaurus | Reference
FacebookTwitterFollow us: