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Laurentian

[ law-ren-shuhn ]

adjective

  1. of or relating to the St. Lawrence River.
  2. Geology. noting or pertaining to the granite intrusions and orogeny in Canada around the Great Lakes during Archeozoic time.


Laurentian

/ lɔːˈrɛnʃən /

adjective

  1. AlsoLawrentian of or resembling the style of D. H. Lawrence or T. E. Lawrence
  2. of, relating to, or situated near the St Lawrence River
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of Laurentian1

First recorded in 1860–65; from Late Latin Laurenti(us) “Lawrence” (originally an adjective, equivalent to Laurentēs, “men of Laurentum ”) + -ius + -an; -an, -ious
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Example Sentences

Thus in the Laurentian Lakes above Ontario the geologist finds evidence that the drainage lines have again and again been changed.

The Laurentian rocks of the typical Laurentide region are largely crystalline schists associated with massive crystalline rocks.

The Laurentian rocks have yielded only one fossil—a large foraminifer named Eozoon Canadense.

The Laurentian formation of gneiss and granite, of unknown thickness.

Many inquiries suggest themselves to the zoologist in connection with the life of the Laurentian period.

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LaurensLaurentian Mountains