Termination
period of time during a glacial cycle when there is a relatively rapid transition from full glacial climates to full interglacial climates
en-GB/ˌtɜːmɪˈneɪʃn/
en-US/tɚməˈneɪʃən/
period of time during a glacial cycle when there is a relatively rapid transition from full glacial climates to full interglacial climates