orthocenter

O1R1T1H4O1C3E1N1T1E1R1

noun

One of the centers (UK:centres) of a triangle, defined as being the intersection of its three altitudes; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle; in a right-angled triangle it is the vertex opposite the hypotenuse and so is on the triangle.

OriginEnglish center ← Middle English center ← Middle French centre →
Scrabble 16
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Meanings

nounorthocenter (plural orthocenters)

plural orthocenters · alternative orthocentre

  1. geometryOne of the centers (UK:centres) of a triangle, defined as being the intersection of its three altitudes; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle; in a right-angled triangle it is the vertex opposite the hypotenuse and so is on the triangle.

Origin

  1. Englishortho-
  2. Latincentrum
  3. Middle Frenchcentre
  4. Middle Englishcenter
  5. Englishcenter
  6. Englishorthocenter

From ortho- + center.

Full word history & related roots →

Translations

Basque ortozentro
  • ortozentroTranslations
Catalan ortocentre
  • ortocentreTranslations
Chinese Cantonese 垂心
  • 垂心 (seoi⁴ sam¹)Translations
Chinese Mandarin 垂心
  • 垂心 (chuíxīn)Translations
Finnish ortokeskus, korkeusjanojen leikkauspiste
  • ortokeskusTranslations
  • korkeusjanojen leikkauspisteTranslations
French orthocentre
  • orthocentreTranslations
German Orthozentrum
  • OrthozentrumTranslations
Greek ορθόκεντρο
  • ορθόκεντρο (orthókentro)Translations
Italian ortocentro
  • ortocentroTranslations
Japanese 垂心
  • 垂心 (suishin)Translations
Korean 수심
  • 수심 (susim)Translations
Polish ortocentrum
  • ortocentrumTranslations
Portuguese ortocentro
  • ortocentroTranslations
Romanian ortocentru
  • ortocentruTranslations
Russian ортоце́нтр
  • ортоце́нтр (ortocéntr)Translations
Spanish ortocentro
  • ortocentroTranslations
Ukrainian ортоце́нтр
  • ортоце́нтр (ortocéntr)Translations
Vietnamese trực tâm
  • trực tâmTranslations

Rhymes & wordplay

Rhymes with orthocenter

centerentercentrementorinventorpresenterrenterreenterventerstentortormentoraugmenterpreventerdissentertenterfermenterindenterdementorfermentoraccentorincenterabsenterassenterbarycentre
All rhymes →
Cite this entry
APA

orthocenter. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/orthocenter

MLA

“orthocenter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthocenter. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthocenter,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/orthocenter.

Source: orthocenter on Wiktionary, CC BY-SA 4.0.