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əˌzɔɪd noun
1.
2.
Anatomy. a bone in the wrist that articulates with the metacarpal bone of the forefinger.
adjective
3.
Also, trap·e·zoi·dal. Geometry. of, pertaining to, or having the form of a trapezoid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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|
Link To trapezoid
00:10
Trapezoid
is always a great word to know.
So is phalange. Does it mean:
| another name for phalanx |
| pea-shaped. |
Collins
World English Dictionary
trapezoid (ˈtræpɪˌzɔɪd) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | a quadrilateral having neither pair of sides parallel |
| 2. | (US), (Canadian) Also called: trapezium a quadrilateral having two parallel sides of unequal length |
| 3. | a small bone of the wrist near the base of the index finger |
| [C18: from New Latin trapezoidēs, from Late Greek trapezoeidēs trapezium-shaped, from trapeza table] | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
trapezoid
1706, "a trapezium," from Mod.L. trapezoides, from Late Gk. trapezoeides (Proclus), special use by Euclid of Gk. trapezoeides "trapezium-shaped," from trapeza, lit. "table" (see trapezium), + -oeides "shaped." Technically, a quadrilateral figure with no two sides parallel.
But in Eng. since c.1800, often confused with trapezium in its sense of "a quadrilateral figure having only two sides parallel."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
trapezoid trap·e·zoid (trāp'ĭ-zoid')
n.
A quadrilateral having two parallel sides.
A small bone in the wrist situated near the base of the index finger and articulating with the second metacarpal, trapezium, capitate, and scaphoid bones.
trap'e·zoid' or trap'e·zoi'dal (-zoid'l) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
trapezoid  (trāp'ĭ-zoid') Pronunciation Key
A four-sided plane figure having two parallel sides. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
trapezoid [(trap-uh-zoyd)]A four-sided polygon in which two sides are parallel and two are not.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Nearby Words
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