polyglacialadj.

Brit.

/ˌpɒlɪˈɡleɪʃl/,

/ˌpɒlɪˈɡleɪsɪəl/, U.S.

/ˌpɑliˈɡleɪʃ(ə)l/

Origin: Formed within English, by compounding. Etymons: poly- comb. form, glacial adj.

Etymology: < poly- comb. form + glacial adj. (compare sense 3 at that entry).

Geology. Now rare.

Designating the theory that postulates more than one glacial period during the Pleistocene epoch; comprising more than one glacial period.

ΚΠ

1922 Man 22 6 In this country..opinion in official geological circles favours the monoglacial theory... Some years ago James Geikie advanced a polyglacial theory, founded largely on Scotch evidence.

1937 Geogr. Jrnl. 90 180 Formerly James Geikie, almost alone, insistently voiced the case for the polyglacial view and perhaps he strained it by over-statement.

1972 B. W. Sparks & R. G. West Ice Age in Brit. v. 123 The limits of the successive glaciations of this polyglacial sequence, imperfectly known at present, are shown.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyglacial
释义	polyglacialadj. Brit. /ˌpɒlɪˈɡleɪʃl/, /ˌpɒlɪˈɡleɪsɪəl/, U.S. /ˌpɑliˈɡleɪʃ(ə)l/ Origin: Formed within English, by compounding. Etymons: poly- comb. form, glacial adj. Etymology: < poly- comb. form + glacial adj. (compare sense 3 at that entry). Geology. Now rare. Designating the theory that postulates more than one glacial period during the Pleistocene epoch; comprising more than one glacial period. ΚΠ 1922 Man 22 6 In this country..opinion in official geological circles favours the monoglacial theory... Some years ago James Geikie advanced a polyglacial theory, founded largely on Scotch evidence. 1937 Geogr. Jrnl. 90 180 Formerly James Geikie, almost alone, insistently voiced the case for the polyglacial view and perhaps he strained it by over-statement. 1972 B. W. Sparks & R. G. West Ice Age in Brit. v. 123 The limits of the successive glaciations of this polyglacial sequence, imperfectly known at present, are shown. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1922
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