|
Multi-word Results
ice age |
a long period of time when glaciers covered large parts of the earth. |
middle age |
the period of human life between youth and old age, or the years between forty and sixty-five. |
Stone Age |
the stage of human culture when stone tools and weapons were made and used. The Stone Age dates from about two million B.C. to about 3,500 B.C. |
|
|