obsidian dating
noun Archaeology.
a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter.
Origin of obsidian dating
First recorded in 1965–70
Words nearby obsidian dating
obsession,
obsessive,
obsessive-compulsive,
obsessive-compulsive disorder,
obsidian,
obsidian dating,
obsidional coin,
obsolesc.,
obsolesce,
obsolescence,
obsolescent