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Dvyanuka (Sanskrit: द्व्यणुक, Romanised: Dvyaṇuka) is the combination of two Paramāṇus of the same type mentioned in the text Vaisheshika Sutra of the Vaisheshika school of thought in the Indian philosophy. According to Vaisheshika school, Dvyanukas are formed when two Parāmaṇus of the same type come into close proximity and under the influence of specific forces.