Ice Ages

noun The Pleistocene is a geological epoch that lasted from about 2.6 million to 11,700 years ago, characterized by multiple ice ages and the presence of early humans.

adjective Pleistocene can also be used as an adjective to describe things related to or characteristic of this geological epoch.

• The Pleistocene epoch lasted from about 2.6 million to 11,700 years ago.
• Did you know that mammoths roamed the Earth during the Pleistocene period?
• Back in the Pleistocene days, things were totally different.
• Her fashion sense is so outdated, it's like she's stuck in the Pleistocene era.