An exclamation of understanding, realization, invention, or recognition. / An exclamation of surprise, exaltation, or contempt.

Initialism of alpha-hydroxy acid. / (countable, property law, England & Wales) Initialism of Agricultural Holdings Act tenancy.

(medicine, cardiology) Initialism of American Heart Association: an American non-profit organization focusing on cardiovascular medical research, education and care.

plural of AHA

(idiomatic) The moment or instant at which the solution to a problem, or some other significant realization, becomes clear.

plural of aha moment

Alternative form of aha moment

plural of aha! moment

plural of aha effect

Synonym of eureka effect