The polyglacial concept (that is, the existence of many glacial periods and climate cyclicity) became accepted.
Source: wiktionary
Polyglacial
Synonyms for "polyglacial"
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Our knowledge of Pleistocene glaciation has clearly shown that an ice age is not monoglacial, but polyglacial; i.e., during a single ice age several colder glacial [times] episodes alternate with warmer interglacial [times] episodes.
Source: wiktionary
In the period leading up to World War One, there was much debate about whether the ice age involved a single phase of ice sheet growth and freezing climate (the monoglacial theory) or several phases of ice sheet build up and decay separated by warm interglacials (the polyglacial theory).
Source: wiktionary
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