There are four types of cosmic annihilation — occasional, elemental, continuous and ultimate — all of which are effected by the inherent potency of the Supreme Lord. Learned scholars have designated this topic dissolution.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
नैमित्तिकः प्राकृतिको नित्य आत्यन्तिको लयः । संस्थेति कविभिः प्रोक्तश्चतुर्धास्य स्वभावतः
naimittikaḥ prākṛtiko nitya ātyantiko layaḥ | saṃstheti kavibhiḥ proktaścaturdhāsya svabhāvataḥ
SB 12.7.17