rhombus
[rom-buh s]
noun, plural rhom·bus·es, rhom·bi [rom-bahy] /ˈrɒm baɪ/.
an oblique-angled equilateral parallelogram; any equilateral parallelogram except a square.
an equilateral parallelogram, including the square as a special case.
a rhombohedron.
RELATED WORDS
jewel, gem, rhinestone, square, rectangle, parallelogram, quadrilateral, paragon, ice, lozenge, rock, zircon, corundum, allotrope, solitaire, brilliant, bort, jager
Nearby words
- rhomboid,
- rhomboid fossa,
- rhomboid ligament,
- rhomboidal sinus,
- rhomboideus,
- rhonchal fremitus,
- rhonchial,
- rhonchus,
- rhonda,
- rhondda
Origin of rhombus
1560–70; < Latin < Greek rhómbos anything that may be spun around, derivative of rhémbein to revolve
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for rhombus
rhombus
noun plural -buses or -bi (-baɪ)
Word Origin for rhombus
C16: from Greek rhombos something that spins; related to rhembein to whirl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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rhombus
1560s, from Late Latin rhombus, from Greek rhombos "rhombus, rhomb, lozenge; spinning top, maghic wheel used by sorcerers; a spinning motion," from rhembesthai "to spin, whirl," from PIE *wrembh-, from *werbh- "to turn, twist, bend" (cf. Old English weorpan "to throw away"), from root *wer- (3) "to turn, bend" (see versus).
Online Etymology Dictionary, © 2010 Douglas Harper
rhombus
[rŏm′bəs]
Plural rhombuses rhombi (rŏm′bī)
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.