The Mesolithic is a chronological period beginning around 10,000 years ago, situated between the Paleolithic and the Neolithic, and associated with the rise to dominance of tiny stone tools known as microliths.
Neolithic: a chronological period characterized by the development of agriculture and, hence, an increasing emphasis on sedentism. The phrase "Neolithic Revolution" was coined by V.G. Childe in 1941 to describe the origin and consequences of farming and the development of settled village life.
The Paleolithic is the archaeological period before c.10,000 years ago, characterized by the earliest known stone tool manufacture.