stadial adjective & noun. ['steɪdɪǝl] LME.
[Latin stadialis, formed as STADIUM: see -AL¹.]
A. adjective.
1. Classical Antiquities. Pertaining to a stadium in length. rare. Only in LME.

2. a. Geology. Of or pertaining to a glacial stade. M20.
stadial moraine a recessional moraine.
b. Archaeology. Pertaining to or expressed in terms of a series of successive stages into which a culture or period can be divided. M20.
b. noun. Geology. = STADE noun 3. M20.

[TahlilGaran] English Dictionary ▲