a/a

symbol

Arterial to alveolar oxygen ratio.(used for diagnosing hypoxemia)

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

a/a1

noun

alternative AA · alternative A.A.

  1. abbreviationinitialismgovernmentInitialism of antiaircraft.
adjectivea/a (not comparable)

alternative AA · alternative A.A.

  1. abbreviationinitialismnot comparablegovernmentInitialism of antiaircraft.

a/A2

symbol
  1. medicineArterial to alveolar oxygen ratio.(used for diagnosing hypoxemia)

A/A3

noun
  1. abbreviationinitialismInitialism of agnostics/atheists.
Cite this entry
APA

a/a. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/a%2Fa

MLA

“a/a.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/a%2Fa. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “a/a,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/a%2Fa.

Source: a/a on Wiktionary, CC BY-SA 4.0.