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trapezoid

 - 7 dictionary results
Trapezoid math
Identify trapezoids & other shapes, find area and perimeter, much more!
www.ixl.com/math

trap⋅e⋅zoid

  [trap-uh-zoid]
Use trapezoid in a Sentence
–noun
1. Geometry.
a. a quadrilateral plane figure having two parallel and two nonparallel sides.
b. British. trapezium (def. 1b).
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.
Origin:
1695–1705; < NL trapezoīdēs < LGk trapezoeids trapeziumlike. See trapezium, -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To trapezoid
Trapezoid math
Identify trapezoids & other shapes, find area and perimeter, much more!
www.ixl.com/math
trap·e·zoid   (trāp'ĭ-zoid')   


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n.  

  1. A quadrilateral having two parallel sides.

  2. A small bone in the wrist, situated near the base of the index finger.


[New Latin trapezoīdēs, from Greek trapezoeidēs, trapezium-shaped : trapeza, table; see trapezium + -oeidēs, -oid.]
trap'e·zoid', trap'e·zoi'dal (-zoid'l) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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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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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, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: trap·e·zoid
Pronunciation: 'trap-&-"zoid
Function: noun
: a bone in the distal row of the carpus at the base of the forefingercalled also lesser multangular, trapezoid bone, trapezoideum
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

trapezoid trap·e·zoid (trāp'ĭ-zoid')
n.

  1. A quadrilateral having two parallel sides.

  2. 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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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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