atrial

A1T1R1I1A1L1
/ˈeɪtɹi.əl/

adjective

Of or pertaining to an atrium, especially the atrium of the heart.

OriginProto-Indo-European *h₂élisder.? ← English atrium →
Less commonScrabble 6
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Meanings

adjectiveatrial (not comparable)
  1. not comparableOf or pertaining to an atrium, especially the atrium of the heart.

    Flutter is defined by a rapid and regular atrial rhythm originating from reentrant circuit within the atria.

    (Can we date this quote?), Spineanu Eugenia, Harmony in Flutter: A Comprehensive Exploration of Atrial Flutter - From Molecular Insights to Holistic Health
    1 more example

    The most common type of irregular heartbeat is atrial fibrillation or AFib. It is estimated that between three and six million people in the United States have AFib.

    2024 February 13, “Understanding Your Heart Rate”, in Emory Healthcare

Origin

  1. Englishatrium
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. Englishatrial

From atrium + -al.

Full word history & related roots →

Translations

Catalan atrial
  • atrialOf, or pertaining to an atrium
Finnish atriaali
  • atriaaliOf, or pertaining to an atrium
French atrial
  • atrialOf, or pertaining to an atrium
Italian atriale
  • atrialeOf, or pertaining to an atrium
Polish atrialny
  • atrialnyOf, or pertaining to an atrium
Portuguese atrial
  • atrialOf, or pertaining to an atrium
Spanish atrial, auricular
  • atrialOf, or pertaining to an atrium
  • auricularOf, or pertaining to an atrium

Rhymes & wordplay

Anagrams

lariatAltairlatriatalari
Cite this entry
APA

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

MLA

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

Chicago

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

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