1 The key term of Vaiśeṣika ontology, indicating a fundamental category of existence, of which there are seven according to the developed tradition. See also Vaiśeṣika.
2 In Nyāya, the term used for a category or topic of debate, of which there are sixteen in all. The Vaiśeṣika padārthas (categories of existence) are subsumed under the second Nyāya padārtha (prameya). See also Nyāya.