1. Chemistry(Abstract Noun) The quality or test of being acid

English: acidity, sourness, tartness,
Assamese: অম্লতা,
Garo: mesengani,
Dimasa: brabbah, kiribah, mikri

2. Medical Science(Abstract Noun) an uneasy burning sensation in the stomach, typically extending toward the esophagus, and sometimes associated with the eructation of an acid fluid.

English: acidiosis, acidity, heart burn,
Assamese: অম্লপিত্ত, অম্লশূল, অম্লাধিক্য, বুকুপোৰণি,
Bodo: बिखा खामग्लिनाय