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rhomboid

[rom-boid] /ˈrɒm bɔɪd/
noun
1.
an oblique-angled parallelogram with only the opposite sides equal.
2.
Anatomy. rhomboideus.
3.
Also, rhomboidal. having a form like or similar to that of a rhombus; shaped like a rhomboid.
Origin of rhomboid
1560-1570
1560-70; < Late Latin rhomboīdes < Greek rhomboeidḕs (schêma) rhomboid (form, shape). See rhombus, -oid
Related forms
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for rhomboid
Contemporary Examples
• Geometrically, it is a cube being forced into a rhomboid by the fault.

November 8, 2014
Historical Examples
• He named it rhomboides, meaning "rhomboid," from the shape of its body.

James Alexander Henshall
• I am simply telling you what Dr. rhomboid told me last night.

Joseph Hocking
• Then came Dr. rhomboid's verdict, followed by my visit to Cornwall.

Joseph Hocking
• It is nearly a year since I came here, and a year was all Dr. rhomboid gave me to live.

Joseph Hocking
• Occasionally they are elongated and flattened; they then assume the form of a rhomboid.

A. Naquet
• Pure eserine is colourless or slightly rose coloured; it crystallises in thin lamin having a rhomboid form.

• We use "parallelogram" to cover "rhomboid," "rhombus," "oblong," and "square."

David Eugene Smith
• It is still clearer when, in a rhomboid, the line XY is drawn.

Hans Gross
• I was told to go for my mathematical lesson to Mr. rhomboid, who tenanted a room in the Old School.

George William Erskine Russell
British Dictionary definitions for rhomboid

rhomboid

/ˈrɒmbɔɪd/
noun
1.
a parallelogram having adjacent sides of unequal length
2.
having such a shape
Word Origin
C16: from Late Latin rhomboides, from Greek rhomboeidēs shaped like a rhombus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for rhomboid
n.

1560s, from Middle French rhomboide or directly from Late Latin rhomboides, from Greek rhomboeides "rhomboidal; a rhomboid;" see rhombus + -oid. Related: Rhomboidal. As an adjective from 1690s.

Online Etymology Dictionary, © 2010 Douglas Harper
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rhomboid in Medicine

rhomboid rhom·boid (rŏm'boid') or rhom·boi·dal (rŏm-boid'l)
Resembling a parallelogram having unequal adjacent sides.

The American Heritage® Stedman's Medical Dictionary
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rhomboid in Science
 rhombus   (rŏm'bəs)    Plural rhombuses or rhombi (rŏm'bī)A parallelogram with four equal sides; an equilateral parallelogram.rhomboid, rhomboidal adjective
The American Heritage® Science Dictionary
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Difficulty index for rhomboid

Few English speakers likely know this word

Word Value for rhomboid

16
17
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