apophysis

A1P3O1P3H4Y4S1I1S1
UK/əˈpɒfɪsɪs/US/əˈpɑfɪsɪs/

noun

A natural outgrowth, swelling or enlargement, usually of an organism; a protuberance on a bone.

UncommonScrabble 19

Meanings

nounapophysis (plural apophyses)

plural apophyses

  1. anatomyA natural outgrowth, swelling or enlargement, usually of an organism; a protuberance on a bone.

    In the male each palpal tibia shows a long narrow apophysis on the outerside.

    1913, A. Randell Jackson, “On the British Spiders of the Genus Microneta”, in Transactions of the Natural History Society of Northumberland, page 128
    1 more example

    Every bone in the real duck had its representative in the automaton, and its wings were anatomically exact. Every cavity, apophysis, and curvature was imitated, and each bone executed its proper movements.

    1836, E. A. Poe, Maelzel's Chess-Player
  2. biologyThe external part of a cone scale.
  3. geographyA branch of a dike or vein.

    Minor palingenetic magmas probably were generated at this time and intruded the mantling rocks in the form of small sills and apophyses; …

    1980, U.S. Government Printing Office, Geological Survey Professional Paper, Volume 1119

Origin

  1. Proto-Indo-European*bʰuH-“to exist, to grow”
  2. Ancient Greekἀπόφυσις“offshoot”
  3. Englishapophysis

From Ancient Greek ἀπόφυσις (apóphusis, “offshoot”), from ἀπό (apó) + φύω (phúō, “to bring forth”), from Proto-Indo-European *bʰuH- (“to exist, to grow”). Equivalent to apo- + -physis.

Full word history & related roots →

Translations

Ancient Greek ἀπόφυσις
  • ἀπόφυσις (apóphusis)outgrowth
Arabic زَائِدَة جِدَارِيَّة
  • زَائِدَة جِدَارِيَّةoutgrowth
Catalan apòfisi
  • apòfisioutgrowth
Czech nárost, apofýza
  • nárostoutgrowth
  • apofýzaoutgrowth
Finnish apofyysi, luu-uloke
  • apofyysioutgrowth
  • luu-ulokeoutgrowth
  • apofyysipart of a cone
  • apofyysibranch
French apophyse
  • apophyseoutgrowth
German Fortsatz, Knochenfortsatz
  • Fortsatzoutgrowth
  • Knochenfortsatzoutgrowth
Greek απόφυση, απόφυση
  • απόφυση (apófysi)outgrowth
  • απόφυση (apófysi)branch
Italian apofisi, apofisi
  • apofisioutgrowth
  • apofisibranch
Latin apophysis
  • apophysisoutgrowth
Polish apofiza, apofiza
  • apofizapart of a cone
  • apofizabranch
Portuguese apófise, apófise
  • apófiseoutgrowth
  • apófisebranch
Russian апо́физ, апофи́за
  • апо́физ (apófiz)outgrowth
  • апофи́за (apofíza)branch
Spanish apófisis
  • apófisisoutgrowth
Swedish apofys, apofys
  • apofysoutgrowth
  • apofyspart of a cone
  • apofysbranch
Cite this entry
APA

apophysis. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/apophysis

MLA

“apophysis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/apophysis. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “apophysis,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/apophysis.

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