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Definition of Aha
1. interj. An exclamation expressing, by different intonations, triumph, mixed with derision or irony, or simple surprise.
2. n. A sunk fence. See Ha- ha.
Definition of Aha
1. Initialism. American Heart Association ¹
2. Initialism. (organic chemistry) alpha-hydroxy acid ¹
3. Interjection. An exclamation of understanding, realization, invention, or recognition. ¹
¹ Source: wiktionary.com
Definition of Aha
1. used to express surprise, triumph, or derision [interj]