monoglacial
/ˌmɒnə(ʊ)ˈɡleɪʃl/ /ˌmɒnə(ʊ)ˈɡleɪsɪəl/Geology. Now historical
adjective
Designating the theory that postulates only a single glacial period during the Pleistocene epoch.
Origin
Early 20th century. From mono- + glacial. Compare polyglacial.