Aaion
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Initialism of arteritic AION, Arteritic anterior ischaemic optic neuropathy (UK), Arteritic anterior ischemic optic neuropathy (US). abbreviation, alt-of, initialism, uncountable
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.