rhombus
See also: Rhombus
EnglishEdit
EtymologyEdit
Learned borrowing from Latin rhombus, from Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”). Doublet of rhomb and rhumb.
PronunciationEdit
NounEdit
rhombus (plural rhombi or rhombuses)
- (geometry) A parallelogram having all sides of equal length. [from 16th c.]
- The rhombus diamond, as one of the suits seen in a deck of playing cards ( or ).
- In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.
- 1936, Rollo Ahmed, The Black Art, London: Long, page 58:
- The Greeks also used an instrument called a rhombus, or witches' wheel. As the wheel spun round, it was thought that influence was gained over certain people or circumstances.
- (zoology, now rare) Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus. [from 16th c.]
- 1638, Thomas Herbert, Some Yeares Travels, I:
- the greedy Tuberon or Shark arm'd with a double row of venemous teeth pursues them, directed by a little Rhombus, Musculus or pilot-fish that scuds to and fro to bring intelligence [...].
- 1638, Thomas Herbert, Some Yeares Travels, I:
- (zoology, archaic) Snails, now in genus Conus or family Conidae.
SynonymsEdit
Related termsEdit
Derived termsEdit
TranslationsEdit
A parallelogram having all sides of equal length
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ReferencesEdit
- rhombus at OneLook Dictionary Search
- “rhombus” in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
LatinEdit
Alternative formsEdit
EtymologyEdit
From Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”), from ῥέμβω (rhémbō, “I turn around”).
PronunciationEdit
NounEdit
rhombus m (genitive rhombī); second declension
DeclensionEdit
Second-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | rhombus | rhombī |
Genitive | rhombī | rhombōrum |
Dative | rhombō | rhombīs |
Accusative | rhombum | rhombōs |
Ablative | rhombō | rhombīs |
Vocative | rhombe | rhombī |
DescendantsEdit
- Borrowings
- Albanian: romb
- Azerbaijani: romb
- Catalan: rombe
- Danish: rombe
- English: rhombus, rhomb
- French: rhombe
- Galician: rombo
- Georgian: რომბი (rombi)
- German: Rhombus
- → Estonian: romb
- Hungarian: rombusz
- Italian: rombo
- Latvian: rombs
- Lithuanian: rombas
- Macedonian: ромб (romb)
- Norwegian: rombe
- Polish: romb
- Portuguese: rombo
- Romanian: romb
- Russian: ромб (romb)
- → Kazakh: ромб (romb)
- Serbo-Croatian: romb / ромб
- Slovene: romb
- Spanish: rombo
- Swedish: romb
- Ukrainian: ромб (romb)
ReferencesEdit
- “rhombus”, in Charlton T[homas] Lewis; Charles [Lancaster] Short (1879) […] A New Latin Dictionary […], New York, N.Y.; Cincinnati, Ohio; Chicago, Ill.: American Book Company; Oxford: Clarendon Press.
- “rhombus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- rhombus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
- rhombus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
- “rhombus”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
- “rhombus”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin