ahi

1 of 2

noun

ˈä-hē 

1

: yellowfin tuna

2

: bigeye tuna

AHI

2 of 2

abbreviation or noun

ˌā-ˌāch-ˈī 

plural AHIs also AHI

: anomalous health incident

The National Intelligence Council assessment issued Wednesday after a yearslong probe into the cause of the "anomalous health incidents" (AHI) reported by hundreds of government officials refuted long-held suspicions that the often debilitating symptoms were caused by microwave or directed-energy weapons operated clandestinely by an enemy nation.

—Joseph Clark

Imaging scans were performed as soon as 14 days after experiencing AHIs.

—Physician Briefings

Examples of ahi in a Sentence

Recent Examples on the Web

Noun

Highlights include caramel French toast, personalized omelets, ahi poke, prime rib and desserts galore. —Brock Keeling, Oc Register, 18 Mar. 2026

Seared Tuna Steak over Salad Greens A tuna steak (like ahi) sprinkled with black and white sesame seeds and lightly seared is a delicacy. —Nancy Lebrun, Verywell Health, 20 Feb. 2026

Abbreviation or noun

Compared to no treatment, oxygen alone reduced AHI by about 33%, MAD alone reduced AHI by about 54%, and combination therapy reduced AHI by about 68%, a statistically significant effect. —New Atlas, 13 Oct. 2025

Word History

Etymology

Noun

Hawaiian ʽahi

First Known Use

Noun

1892, in the meaning defined at sense 1

Abbreviation Or Noun

2021, in the meaning defined above