Pleis‧to‧cene /ˈplaɪstəsiːn/ adjective
[Date: 1800-1900; Language: Greek; Origin: pleistos 'most' + kainos 'recent']
belonging to the period in the Earth’s history that started about two million years ago and ended about 10,000 years ago, when much of the Earth was covered with ice

[TahlilGaran] Dictionary of Contemporary English ▲