monoglacialadj.
/ˌmɒnə(ʊ)ˈɡleɪʃl/, /ˌmɒnə(ʊ)ˈɡleɪsɪəl/, U.S. /ˌmɑnəˈɡleɪʃ(ə)l/ Geology. Now historical.
Designating the theory that postulates only a single glacial period during the Pleistocene epoch.
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monoglacial1914
1914 W. B. Wright Quaternary Ice Age vi. 125 We are bound to take our stand on the comparatively simple monoglacial hypothesis until we can prove at least one interglacial period.
1928 Man 28 32/2 He [sc. Bayer] is very critical of the famous Penck scheme, though he is still more critical of what has been called the Monoglacial theory in this country.
1961 L. D. Stamp Gloss. Geogr. Terms 323/1 The monoglacial theory considers the Pleistocene ice-sheet to have expanded and contracted in only one general movement without any substantial ‘interglacial periods’ of recession followed by advance.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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