acentrous

A1C3E1N1T1R1O1U1S1

adjective

Lacking vertebral centra.

OriginEnglish centre ← Ancient Greek ἀ- (a-) ← Proto-Hellenic *ə- →
Scrabble 11
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Meanings

adjectiveacentrous (comparative more acentrous, superlative most acentrous)

comparative more acentrous · superlative most acentrous

  1. biologyLacking vertebral centra.
    1 more example

    2001, "Axial Skeleton", David Cannatella, https://web.archive.org/web/20051222184337/http://www.lifesci.utexas.edu/courses/bio478L/LecturesPDF/bodyskeleton.pdf "Some bony fishes (Teleostei, Amia, Lepisosteus, and Brachiopterygii) have well-ossified centra and neural and hemal arches. Others (Dipnoi, Latimeria, and Chondrostei) lack centra (acentrous), and the notochord is unconstricted, and the bony neural and hemal arches simply rest on it."

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)
  5. Englisha-
  6. Englishcentre
  7. Englishacentrous

From a- + centre + -ous.

Full word history & related roots →

Rhymes & wordplay

Anagrams

courtesannectarousctenosaur
Cite this entry
APA

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

MLA

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

Chicago

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

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