Laurentian

[ law-ren-shuhn ]

adjective

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

Origin of Laurentian

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

Words Nearby Laurentian

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use Laurentian in a sentence

Thus in the Laurentian Lakes above Ontario the geologist finds evidence that the drainage lines have again and again been changed.
Outlines of the Earth's History | Nathaniel Southgate Shaler
The Laurentian rocks of the typical Laurentide region are largely crystalline schists associated with massive crystalline rocks.
The Principles of Stratigraphical Geology | J. E. Marr
The Laurentian rocks have yielded only one fossil—a large foraminifer named Eozoon Canadense.
Geology | James Geikie
The Laurentian formation of gneiss and granite, of unknown thickness.
Saratoga and How to See It | R. F. Dearborn
Many inquiries suggest themselves to the zoologist in connection with the life of the Laurentian period.
The Story of the Earth and Man | J. W. Dawson

British Dictionary definitions for Laurentian

Laurentian

/ (lɔːˈrɛnʃən) /

adjective

Also: Lawrentian of or resembling the style of D. H. Lawrence or T. E. Lawrence
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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