quaternary_period | ||
1. | [ noun ] (geology) last 2 million years | |
Synonyms: | Age_of_Man Quaternary | |
Related terms: | period Cenozoic Pleistocene Holocene | |
quaternary_period | ||
1. | [ noun ] (geology) last 2 million years | |
Synonyms: | Age_of_Man Quaternary | |
Related terms: | period Cenozoic Pleistocene Holocene | |