IBA

noun5

1. •
   Initialism of indole-3-butyric acid - auxin, a plant "rooting hormone".
2. •
   Initialism of Important Bird Area.
3. •
   Initialism of ion beam analysis, an analytical technique.
4. •
   (US) Initialism of Interceptor Body Armor.
5. •
   Initialism of incinerator bottom ash.

noun1

1. •
   A municipality, the capital of Zambales, Central Luzon, Philippines.