adj.
1.of or relating to the second period of the Stone Age (following the eolithic) paleolithic n.
1.second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC
Idiom of the Day
unknown quantity
a person or thing which nobody knows much about
The new mayor is an unknown quantity and nobody knows what to expect.