| NOUN | time | glacial period, ice age, glacial epoch | any period of time during which glaciers covered a large part of the earth's surface |
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| Meaning | Any period of time during which glaciers covered a large part of the earth's surface. | |
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| Synonyms | ice age, glacial epoch | |
| Part of | prehistory, prehistoric culture | The time during the development of human culture before the appearance of the written word |
| Broader | period, geological period | A unit of geological time during which a system of rocks formed |
| Adjectives | postglacial | relating to or occurring during the time following a glacial period |