The Collaborative International Dictionary
Postglacial \Post*gla"cial\, a. (Geol.)
Formed or occurring after the last glacial epoch of the Pleistocene period, or at a locality within the area of Pleistocene glaciation after the final disappearance of the glacier from the locality.
Of, pertaining to, or designating, an epoch after the last Glacial and before the Terrace epoch. [R.]
Wiktionary
a. Occurring after glaciation
Usage examples of "postglacial".
Therefore, at a time when the littoral regions of the Indian Ocean, the Mediterranean, or the Gulf of Mexico already enjoyed a warmer climate, and became the seats of higher civilizations, immense territories in middle Europe, Siberia, and Northern America, as well as in Patagonia, Southern Africa, and Southern Australasia, remained in early postglacial conditions which rendered them inaccessible to the civilized nations of the torrid and sub-torrid zones.
Soviet Union, in the Irkutsk area, deglaciation was complete and postglacial life fully established by 14,500 years ago.
Areas that had thrived under the warmer postglacial regime suddenly became inhospitable, driving species to extinction and devastating the lives of the cave dwelling humans that depended on them.