![](http://image.absoluteastronomy.com/images//topicimages/s/st/stone_age.gif)
Stone Age
WordNet
noun
(1) (archeology) the earliest known period of human culture, characterized by the use of stone implements
WiktionaryText
Proper noun
- A broad prehistoric period during which humans widely used stone for toolmaking.
- Any extremely primitive or undeveloped era.
- The time a particular field was introduced and was in its earliest stages of development.