rhombus

See also: Rhombus

Contents

English

A pair of rhombi.

A rhombus (flatfish)

Etymology

From Latin rhombus, from Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”), from ῥέμβω (rhémbō, “I turn around”).

Pronunciation

• (UK) IPA^(key): /ˈɹɒmbəs/
• (US) IPA^(key): /ˈɹɑːmbəs/

• Audio (AUS)

  (file)

Noun

rhombus (plural rhombi or rhombuses)

1. (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 [...].

2. (zoology, archaic) Snails, now in genus Conus or family Conidae.
3. (geometry) A parallelogram having all sides of equal length. [from 16th c.]

Synonyms

• (geometry): diamond (not in technical use), lozenge (if not square), rhomb

Related terms

Terms related to rhombus

• rhombic

• rhomboid

Translations

A parallelogram having all sides of equal length

• Albanian: romb (sq) m
• Arabic: مُعَيِّن‎ m (muʿayyin)
• Armenian: շեղանկյուն (hy) (šełankyun)
• Azerbaijani: romb (az)
• Basque: erronbo
• Belarusian: ромб m (romb)
• Bengali: রম্বস (rômbôs)
• Bulgarian: ромб m (romb)
• Catalan: rombe (ca) m
• Chinese:

  Mandarin: 菱形 (zh) (língxíng)

• Czech: kosočtverec (cs) m
• Danish: rombe (da) c, rhombe c
• Dutch: ruit (nl) f
• Esperanto: rombo
• Estonian: romb
• Faroese: romba f
• Finnish: neljäkäs (fi)
• French: losange (fr) m, rhombus (fr) m
• Georgian: რომბი (ka) (rombi)
• German: Rhombus (de) m, Raute (de) f
• Greek: ρόμβος (el) m (rómvos)

  Ancient: ῥόμβος (rhómbos)

• Gujarati: પત્તાંની ચોપડી m (pattānnī cōpaḍī)
• Haitian Creole: lozanj
• Hebrew: מְעֻיָּן‎ (he) m (me`uyán)
• Hindi: विषमकोण (hi) m (viṣamakōṇa)
• Hungarian: rombusz (hu)
• Icelandic: tígull m, tigull m
• Ido: rombo (io)
• Indonesian: belah ketupat (id)
• Italian: rombo (it) m
• Japanese: 斜方形 (ja) (しゃほうけい, shahōke), 菱形 (ja) (ひしがた, hishigata)
• Kannada: ರಾಂಬಸ್ m (rāmbas)
• Korean: 마름모 (ko) (mareummo)

• Latin: rhombus m
• Latvian: rombs m
• Limburgish: roet (li)
• Lithuanian: rombas m
• Macedonian: ромб m (romb)
• Mongolian: ромб (romb)
• Navajo: ałtsʼą́ąjigo heetsʼóóz, dį́įʼgo bídazniikʼą́
• Norwegian: rombe (no) m
• Occitan: lausange, rombe m
• Persian: لوزی‎ (fa)
• Polish: romb (pl) m
• Portuguese: losango (pt) m
• Quechua: puytu
• Romanian: romb (ro)
• Russian: ромб (ru) m (romb)
• Serbo-Croatian:

  Cyrillic: ро̏мб m

  Roman: rȍmb (sh) m

• Shona: gonyaina tsazamativi
• Sicilian: rummu (scn) m
• Slovak: kosoštvorec m
• Slovene: romb (sl) m
• Spanish: rombo (es) m
• Sundanese: beulahat kupat
• Swahili: almasi (sw)
• Swedish: romb (sv) c
• Tagalog: tagisukat
• Tamil: செவ்வகம் (ta) (cevvakam)
• Telugu: రాంబస్ (rāmbas)
• Thai: ขนมเปียกปูน (th) (kà-nǒm-bpìiak-bpuun), ข้าวหลามตัด (th) (kâao-lǎam-dtàt)
• Turkish: eşkenar dörtgen (tr)
• Ukrainian: ромб (uk) m (romb)
• Vietnamese: hình thoi
• West Flemish: ^{(please verify)} rute

References

• rhombus at OneLook Dictionary Search
• rhombus in The Century Dictionary, The Century Co., New York, 1911

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Latin

Etymology

From Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”), from ῥέμβω (rhémbō, “I turn around”).

Pronunciation

• (Classical) IPA^(key): /ˈrom.bus/, [ˈrɔm.bʊs]

Noun

rhombus m (genitive rhombī); second declension

1. rhombus (geometry)
2. flatfish

Inflection

Second declension.

Case	Singular	Plural
Nominative	rhombus	rhombī
Genitive	rhombī	rhombōrum
Dative	rhombō	rhombīs
Accusative	rhombum	rhombōs
Ablative	rhombō	rhombīs
Vocative	rhombe	rhombī

Descendants

Descendants of rhombus in other languages

• Catalan: rombe, rom
• English: rhombus
• French: rhombe
• German: Rhombus

• Italian: rombo
• Portuguese: rombo, rumo, rumar
• Romanian: romb
• Spanish: rombo, rumbo, romo

References

• rhombus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, 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, 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