Acadiann.adj.

Brit.

/əˈkeɪdɪən/, U.S.

/əˈkeɪdiən/

Forms: 1700s–1800s Accadian, 1700s– Acadian, 1800s Arcadian.

Origin: From a proper name, combined with an English element; modelled on a French lexical item. Etymons: proper name Acadia , -an suffix.

Etymology: < the name of Acadia (French Acadie (1636 or earlier; earlier as †Arcadie (1575): see below)) + -an suffix, after French Acadien (1705 or earlier as adjective, 1710 or earlier as noun denoting French settlers in the colony in present-day Canada, 1774 (in the passage translated in quot. 1776 at sense A. 2) or earlier denoting Louisianans). Compare later Cajun n.The French name Acadie for the region derives < an extended use of post-classical Latin Arcadia (see Arcadian adj.¹ and n.), which the Italian explorer Giovanni da Verrazzano (1485–1528) used to denote the Atlantic coast north of Virginia; compare: 1916 tr. G. da Verrazano Let. 8 July 1524 in Verrazzano's Voy. 1524 9 (note) [Skirting the shore] which we baptized Arcadia on account of the beauty of the trees. In 1548 the name appears on an Italian map based on Verrazzano's descriptions in the form Larcadia. The French geographer and explorer Samuel de Champlain (?1580–1635) used the forms La Cadie and Arcadie in 1603, but in his Voyages (1613) and later he consistently used forms without r (e.g. Accadie, Acadie). Subsequent French usage is based on Champlain's accounts. Suggestions that the name derives from or was influenced by local Algonquian languages cannot be substantiated. Compare the following earlier uses of the place name in English contexts:1609 P. Erondelle in tr. M. Lescarbot Noua Francia sig. A (heading) The three late voyages..into the Countries called by the Frenchmen La Cadia, lying to the Southwest of Cap Breton.1662 P. Duval Geogr. Dict. 97 Porto Royale, a port in Acadia in New France.1703 tr. L. de Lahontan New Voy. N.-Amer. I. 156 A fort..which stands upon the Sea-Coast of New-England, towards the Frontiers of Acadia.

A. n.

1. A native or inhabitant of Acadia, a former French colony on the Atlantic seaboard of North America, which included the present Maritime Provinces of Canada (Nova Scotia, New Brunswick, and Prince Edward Island), or of the Maritime Provinces; spec. a French-speaking descendant of French settlers in Acadia.

ΘΚΠ

the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of Canada > [noun] > parts of

Newfoundlander1611

mountainer1625

Acadian1705

Quebecker1775

bluenose1785

Labradorian1818

Nova Scotian1829

British Columbian1859

Québécois1862

Bluenoser1863

Torontonian1875

Montrealer1877

Winnipegger1882

Ontarian1883

novy1897

Yukonerc1898

herring choker1899

Maritimer1931

Newfie1942

Newfier1942

Spud Islander1957

Newf1958

1705 Boston News-let. 14 May At break of day..our harbour was beset with..some Accadians at Pessemaquaddy and Port Royall, and Cannadians.

1757 Mem. Princ. Trans. Last War 12 The French inhabitants (whom for Distinction-sake I shall call Acadians)..were by the treaty allowed their option either to retire..or to remain there.

1790 R. Beatson Naval & Mil. Mem. I. 306 They were joined by as many Canadians, Acadians and Indians.

1832 W. D. Williamson Hist. Maine II. 264 The energetic efforts of its government to bring the Acadians or French Neutrals, into obedience.

1889 W. Kingsford Hist. Canada III. vii. iv. 106 The Acadians were without schools: few could read or write.

1916 A. G. Doughty Acadian Exiles (1920) iii. 37 It does not appear that either the English or the French government had any paternal affection for the poor Acadians; but each was fully conscious of the use to which they might be put.

1959 W. R. Bird These are Maritimes iii. 85 The Acadians are a careful people, dealing shrewdly, saving, working hard, and the farms are without mortgages.

1974 P. Gzowski Bk. about this Country 11/1 Edith Butler, a tall, shy, graceful Acadian who may have the most beautiful eyes in Canada—she certainly writes and sings some of the most beautiful songs.

2000 N.Y. Rev. Bks. 11 May 41/3 Another index of the difference between Anderson and his predecessors lies in the treatment of the Acadians, the five thousand or more French settlers who were wrenched from their homeland in Canada and scattered through the American colonies in 1755.

2. A Louisianan descended from inhabitants of Acadia expelled in 1755.

ΘΚΠ

the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of U.S.A. > [noun] > specific state > states

Marylander1640

Rhode Islander1665

Jerseyman1679

Pennsylvanian1685

Carolinian1705

Georgian1732

Marylandian1750

Jersey blue1758

Californian1762

Louisianian1775

Mississippian1775

Acadian1776

Vermonteer1778

Kentuckian1779

Vermontese1783

Indianian1784

Cohee1786

Kentuck1789

Virginian1797

Michiganian1813

Michigan1814

Tennessean1815

Ohioan1818

Illinoian1819

Ohian1819

Missourian1820

buckeye1823

Vermonter1825

Hoosier1826

red horse1833

sucker1833

wolverine1833

puke1834

corn-cracker1835

Texian1835

Alaskan1836

Texan1837

Michigander1838

Oregonian1838

Rackensack1839

Arkansian1844

badger1844

Bay Stater1845

Lone Star Stater1845

Oregonese1845

tar-boiler1845

weasel1845

web foot1845

Alabaman1846

Iowanc1848

Arkansan1851

Minnesotian1851

Washingtonian1852

Minnesotan1854

Nebraskan1854

Kansian1855

Utahan1855

Floridan1856

fly-up-the-creek1857

Dakotian1861

Coloradan1862

Coloradian1862

Texican1863

Coloradoan1864

tarheel1864

Cajun1868

Kansan1868

Montanian1869

Floridian1870

mudcat1872

New Jerseyan1872

Arkansawyer1874

longhorn1876

Mainer1879

New Jerseyite1885

prune picker1892

Hawaiian1893

Oklahoman1894

Tex1909

blue hen's chicken1921

Tejano1925

Geechee1926

Arkie1927

sooner1930

wyomingite1930

New Mexican1940

Okie1948

1776 J. O. Justamond tr. G. T. F. Raynal Philos. Hist. Europeans in Indies III. xiii. 391 The French ministry..sent a number of Acadians [Fr. Acadiens] and Germans there [sc. St Nicholas, a colony on the Caribbean island of Santo Domingo].

1803 T. Jefferson in Deb. Congr. U.S. (1852) 8th Congress 2 Sess. App. 1506/2 The three succeeding settlements, up to Baton Rouge, contain mostly Acadians.

1877 Atlantic Monthly Nov. 561/1 Two classes, differing widely in speech and habits, yet, presumably, of identical origin: the native Louisianian, descendant of the early French settler, who called himself a ‘Creole’; and the Acadian, more universally known..as the ‘Cajen’.

1931 W. A. Read Louisiana-French p. xviii The Acadians of Louisiana are the descendants of the French who were formally expelled by the English from Acadie, or Nova Scotia, on Friday, September 5, 1755.

1975 J. Dailey Something Extra iv. 55 An Acadian likes strong coffee, laughter, conversation, singing , dancing, rich foods and most of all women.

2008 M. S. Clark Whispers of Bayou xxxiii. 266 In time of great danger, I must reveal the location of the angelus and present it to all Acadians whose ancestors were born in the village of Colline d'Or.

3. Geology.

a. The Acadian (Middle Cambrian) series. Now rare.

ΚΠ

1908 Mining World 29 Aug. 319/2 The Middle Cambrian or Acadian consists of slaty beds 2,000 ft. thick.

1916 Jrnl. Geol. (Chicago) 24 148 In the Lockport [formation] the time..marked the close of the Niagaran; in the Eldon it marks the close of the Middle Cambrian or Acadian.

b. The Acadian orogeny.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > orogenesis > specific

Appalachian revolution1856

Laramide1972

Acadian1985

1985 Jrnl. Geol. (Chicago) 93 593 If it can be shown that the Merrimack Synclinorium was eroded rapidly at the end of the Acadian, then [etc.].

2007 M. Bêche et al. in O. Lacombe et al. Thrust Belts & Foreland Basins iv. 85/1 This fault could be..a Taconian thrust ramp reactivated as a normal fault during the Salinic event and then inverted as a thrust fault during the Acadian.

B. adj.

1. Of or relating to Acadia or the Acadians of the Maritime Provinces or Louisiana.

ΘΚΠ

the world > the earth > named regions of earth > America > North America > [adjective] > Canada > French Canada

French1624

Acadian1746

French Canadian1761

the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of Canada > [adjective] > parts of

Acadian1746

Acadian French1798

Québécois1938

Newf1971

1746 Gentleman's Mag. Apr. 213/2 The royal mandate flies to..Warren's hands, Who pleas'd, with haste collects his naval pow'r, And finds the army on th' Acadian..shore.

1765 S. Holland Let. Oct. in D. Campbell Hist. Prince Edward Island (1875) i. 6 The Mountain Shrub and Maiden Hair are also pretty common, of whose leaves and berries the Acadian settlers frequently make a kind of tea.

1784 E. H. Trist Let. 25 Dec. in T. Jefferson Papers (1953) VII. 583 Accadian Coast Mississippi 25 Dec 1784.

1826 T. Flint Recoll. Last Ten Years 322 The inhabitants [of Louisiana] are principally French..and the very Arcadian [sic] race, about which so much has been said and sung.

1847 H. W. Longfellow Evangeline i. 1 In the Acadian land, on the shores of the Basin of Minas.

1888 G. W. Cable (title) Bonaventure, a prose pastoral of Acadian Louisiana.

1922 P. A. Taverner Birds of E. Canada (rev. ed.) 138 There are several subspecies of the Saw-whet Owl in Canada; but only one, the Acadian Owl, the type form, is ever found in the east.

1930 Nature Mag. Mar. 175/1 In the ‘Cajun’ country, or the parishes along the Teche River where the Acadian exiles from Nova Scotia took up their abode prior to the Revolutionary War, the ‘Cajun’ woodsmen, fishermen, and trappers often collect moss during the closed season on hunting and trapping.

1977 J. K.Durkee (title) Tout de suite à la microwave: a gourmet's cookbook of French, Acadian & Creole recipes.

2003 A.-M. MacDonald Way Crow Flies 11 Madeleine's mother wastes nothing, having grown up in the Depression. Although, considering that everyone else's mother grew up in the Depression, too, maybe it's an Acadian thing. Or merely Maritime—Canada's ‘have-not’ provinces.

2. Geology.

a. Designating the Middle Cambrian system in (esp. eastern) North America; of or relating to this system. Cf. Albertan adj. 1b Now chiefly historical.

ΚΠ

1855 J. W. Dawson Acadian Geol. i. 2 The Acadian provinces form a well-marked geological district, distinguished from all the neighbouring parts of America by the enormous and remarkable development within it of rocks of the Carboniferous and New Red Sandstone systems.]

1868 J. W. Dawson in Proc. 16th Meeting Amer. Assoc. Advancem. Sci. 118 These rocks..having been ascertained to be Devonian, there still remained an immense thickness of underlying rocks of uncertain age... It is proposed to call this series, represented in New Brunswick by the St. John slates, the Acadian Series.

1906 Ann. Rep. U.S. National Mus. 1904 675 Mr. Walcott's own studies later showed the existence of his Olenellus (Georgian) fauna below rather than above the Paradoxides (Acadian) beds.

1982 W. B. Harland et al. Geologic Time Scale ii. 11/2 In North America..names have had regional significance often contrasted between Appalachian and Cordilleran usage, i.e. Georgian, Acadian and Potsdam..in the east..and somewhat later, in the west, Waucoban, Albertan and Croixian. Usage now tends to favour the western nomenclature.

2002 Jrnl. Paleontol. 76 822 (title) Middle Cambrian (Acadian series) conocoryphid and paradoxidid trilobites from the upper Chamberlain's Brook Formation, Newfoundland and New Brunswick.

b. Designating an orogenic era in Late Devonian and Mississippian times that affected esp. the Appalachians and the east coast of Canada; of or relating to this orogeny.

ΚΠ

1895 H. S. Williams Geol. Biol. ii. 42 Elevation and unconformity terminating the Devonian formations of Maine, New Brunswick, and Nova Scotia..may..be called the Acadian revolution.

1915 L. V. Pirsson Text-bk. Geol. I. xxxviii. 700 The Acadian disturbance was of greater import than is usually believed by American geologists.

1933 C. Schuchert & C. O. Dunbar Textbk. Geol. (ed. 3) ii. xi. 208 The Acadian orogeny..produced the strong folding now seen in the Devonian and older rocks of New Hampshire, Maine, and northern New Brunswick.

1955 I. Velikovsky Earth in Upheaval xiii. 214 The next (Devonian) period was marked by a so-called Acadian disturbance, with uplifts and depressions.

1996 D. C. Roberts Field Guide Geol.: Eastern N. Amer. v. 285 Some of the domes in this chain of oldest Acadian rocks contain gneiss and amphibolite that started as Late Ordovician intrusive rocks during the Taconic Orogeny.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	acadian
释义	Acadiann.adj. Brit. /əˈkeɪdɪən/, U.S. /əˈkeɪdiən/ Forms: 1700s–1800s Accadian, 1700s– Acadian, 1800s Arcadian. Origin: From a proper name, combined with an English element; modelled on a French lexical item. Etymons: proper name Acadia , -an suffix. Etymology: < the name of Acadia (French Acadie (1636 or earlier; earlier as †Arcadie (1575): see below)) + -an suffix, after French Acadien (1705 or earlier as adjective, 1710 or earlier as noun denoting French settlers in the colony in present-day Canada, 1774 (in the passage translated in quot. 1776 at sense A. 2) or earlier denoting Louisianans). Compare later Cajun n.The French name Acadie for the region derives < an extended use of post-classical Latin Arcadia (see Arcadian adj.¹ and n.), which the Italian explorer Giovanni da Verrazzano (1485–1528) used to denote the Atlantic coast north of Virginia; compare: 1916 tr. G. da Verrazano Let. 8 July 1524 in Verrazzano's Voy. 1524 9 (note) [Skirting the shore] which we baptized Arcadia on account of the beauty of the trees. In 1548 the name appears on an Italian map based on Verrazzano's descriptions in the form Larcadia. The French geographer and explorer Samuel de Champlain (?1580–1635) used the forms La Cadie and Arcadie in 1603, but in his Voyages (1613) and later he consistently used forms without r (e.g. Accadie, Acadie). Subsequent French usage is based on Champlain's accounts. Suggestions that the name derives from or was influenced by local Algonquian languages cannot be substantiated. Compare the following earlier uses of the place name in English contexts:1609 P. Erondelle in tr. M. Lescarbot Noua Francia sig. A (heading) The three late voyages..into the Countries called by the Frenchmen La Cadia, lying to the Southwest of Cap Breton.1662 P. Duval Geogr. Dict. 97 Porto Royale, a port in Acadia in New France.1703 tr. L. de Lahontan New Voy. N.-Amer. I. 156 A fort..which stands upon the Sea-Coast of New-England, towards the Frontiers of Acadia. A. n. 1. A native or inhabitant of Acadia, a former French colony on the Atlantic seaboard of North America, which included the present Maritime Provinces of Canada (Nova Scotia, New Brunswick, and Prince Edward Island), or of the Maritime Provinces; spec. a French-speaking descendant of French settlers in Acadia. ΘΚΠ the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of Canada > [noun] > parts of Newfoundlander1611 mountainer1625 Acadian1705 Quebecker1775 bluenose1785 Labradorian1818 Nova Scotian1829 British Columbian1859 Québécois1862 Bluenoser1863 Torontonian1875 Montrealer1877 Winnipegger1882 Ontarian1883 novy1897 Yukonerc1898 herring choker1899 Maritimer1931 Newfie1942 Newfier1942 Spud Islander1957 Newf1958 1705 Boston News-let. 14 May At break of day..our harbour was beset with..some Accadians at Pessemaquaddy and Port Royall, and Cannadians. 1757 Mem. Princ. Trans. Last War 12 The French inhabitants (whom for Distinction-sake I shall call Acadians)..were by the treaty allowed their option either to retire..or to remain there. 1790 R. Beatson Naval & Mil. Mem. I. 306 They were joined by as many Canadians, Acadians and Indians. 1832 W. D. Williamson Hist. Maine II. 264 The energetic efforts of its government to bring the Acadians or French Neutrals, into obedience. 1889 W. Kingsford Hist. Canada III. vii. iv. 106 The Acadians were without schools: few could read or write. 1916 A. G. Doughty Acadian Exiles (1920) iii. 37 It does not appear that either the English or the French government had any paternal affection for the poor Acadians; but each was fully conscious of the use to which they might be put. 1959 W. R. Bird These are Maritimes iii. 85 The Acadians are a careful people, dealing shrewdly, saving, working hard, and the farms are without mortgages. 1974 P. Gzowski Bk. about this Country 11/1 Edith Butler, a tall, shy, graceful Acadian who may have the most beautiful eyes in Canada—she certainly writes and sings some of the most beautiful songs. 2000 N.Y. Rev. Bks. 11 May 41/3 Another index of the difference between Anderson and his predecessors lies in the treatment of the Acadians, the five thousand or more French settlers who were wrenched from their homeland in Canada and scattered through the American colonies in 1755. 2. A Louisianan descended from inhabitants of Acadia expelled in 1755. ΘΚΠ the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of U.S.A. > [noun] > specific state > states Marylander1640 Rhode Islander1665 Jerseyman1679 Pennsylvanian1685 Carolinian1705 Georgian1732 Marylandian1750 Jersey blue1758 Californian1762 Louisianian1775 Mississippian1775 Acadian1776 Vermonteer1778 Kentuckian1779 Vermontese1783 Indianian1784 Cohee1786 Kentuck1789 Virginian1797 Michiganian1813 Michigan1814 Tennessean1815 Ohioan1818 Illinoian1819 Ohian1819 Missourian1820 buckeye1823 Vermonter1825 Hoosier1826 red horse1833 sucker1833 wolverine1833 puke1834 corn-cracker1835 Texian1835 Alaskan1836 Texan1837 Michigander1838 Oregonian1838 Rackensack1839 Arkansian1844 badger1844 Bay Stater1845 Lone Star Stater1845 Oregonese1845 tar-boiler1845 weasel1845 web foot1845 Alabaman1846 Iowanc1848 Arkansan1851 Minnesotian1851 Washingtonian1852 Minnesotan1854 Nebraskan1854 Kansian1855 Utahan1855 Floridan1856 fly-up-the-creek1857 Dakotian1861 Coloradan1862 Coloradian1862 Texican1863 Coloradoan1864 tarheel1864 Cajun1868 Kansan1868 Montanian1869 Floridian1870 mudcat1872 New Jerseyan1872 Arkansawyer1874 longhorn1876 Mainer1879 New Jerseyite1885 prune picker1892 Hawaiian1893 Oklahoman1894 Tex1909 blue hen's chicken1921 Tejano1925 Geechee1926 Arkie1927 sooner1930 wyomingite1930 New Mexican1940 Okie1948 1776 J. O. Justamond tr. G. T. F. Raynal Philos. Hist. Europeans in Indies III. xiii. 391 The French ministry..sent a number of Acadians [Fr. Acadiens] and Germans there [sc. St Nicholas, a colony on the Caribbean island of Santo Domingo]. 1803 T. Jefferson in Deb. Congr. U.S. (1852) 8th Congress 2 Sess. App. 1506/2 The three succeeding settlements, up to Baton Rouge, contain mostly Acadians. 1877 Atlantic Monthly Nov. 561/1 Two classes, differing widely in speech and habits, yet, presumably, of identical origin: the native Louisianian, descendant of the early French settler, who called himself a ‘Creole’; and the Acadian, more universally known..as the ‘Cajen’. 1931 W. A. Read Louisiana-French p. xviii The Acadians of Louisiana are the descendants of the French who were formally expelled by the English from Acadie, or Nova Scotia, on Friday, September 5, 1755. 1975 J. Dailey Something Extra iv. 55 An Acadian likes strong coffee, laughter, conversation, singing , dancing, rich foods and most of all women. 2008 M. S. Clark Whispers of Bayou xxxiii. 266 In time of great danger, I must reveal the location of the angelus and present it to all Acadians whose ancestors were born in the village of Colline d'Or. 3. Geology. a. The Acadian (Middle Cambrian) series. Now rare. ΚΠ 1908 Mining World 29 Aug. 319/2 The Middle Cambrian or Acadian consists of slaty beds 2,000 ft. thick. 1916 Jrnl. Geol. (Chicago) 24 148 In the Lockport [formation] the time..marked the close of the Niagaran; in the Eldon it marks the close of the Middle Cambrian or Acadian. b. The Acadian orogeny. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > orogenesis > specific Appalachian revolution1856 Laramide1972 Acadian1985 1985 Jrnl. Geol. (Chicago) 93 593 If it can be shown that the Merrimack Synclinorium was eroded rapidly at the end of the Acadian, then [etc.]. 2007 M. Bêche et al. in O. Lacombe et al. Thrust Belts & Foreland Basins iv. 85/1 This fault could be..a Taconian thrust ramp reactivated as a normal fault during the Salinic event and then inverted as a thrust fault during the Acadian. B. adj. 1. Of or relating to Acadia or the Acadians of the Maritime Provinces or Louisiana. ΘΚΠ the world > the earth > named regions of earth > America > North America > [adjective] > Canada > French Canada French1624 Acadian1746 French Canadian1761 the world > people > nations > native or inhabitant of America > native or inhabitant of North America > native or inhabitant of Canada > [adjective] > parts of Acadian1746 Acadian French1798 Québécois1938 Newf1971 1746 Gentleman's Mag. Apr. 213/2 The royal mandate flies to..Warren's hands, Who pleas'd, with haste collects his naval pow'r, And finds the army on th' Acadian..shore. 1765 S. Holland Let. Oct. in D. Campbell Hist. Prince Edward Island (1875) i. 6 The Mountain Shrub and Maiden Hair are also pretty common, of whose leaves and berries the Acadian settlers frequently make a kind of tea. 1784 E. H. Trist Let. 25 Dec. in T. Jefferson Papers (1953) VII. 583 Accadian Coast Mississippi 25 Dec 1784. 1826 T. Flint Recoll. Last Ten Years 322 The inhabitants [of Louisiana] are principally French..and the very Arcadian [sic] race, about which so much has been said and sung. 1847 H. W. Longfellow Evangeline i. 1 In the Acadian land, on the shores of the Basin of Minas. 1888 G. W. Cable (title) Bonaventure, a prose pastoral of Acadian Louisiana. 1922 P. A. Taverner Birds of E. Canada (rev. ed.) 138 There are several subspecies of the Saw-whet Owl in Canada; but only one, the Acadian Owl, the type form, is ever found in the east. 1930 Nature Mag. Mar. 175/1 In the ‘Cajun’ country, or the parishes along the Teche River where the Acadian exiles from Nova Scotia took up their abode prior to the Revolutionary War, the ‘Cajun’ woodsmen, fishermen, and trappers often collect moss during the closed season on hunting and trapping. 1977 J. K.Durkee (title) Tout de suite à la microwave: a gourmet's cookbook of French, Acadian & Creole recipes. 2003 A.-M. MacDonald Way Crow Flies 11 Madeleine's mother wastes nothing, having grown up in the Depression. Although, considering that everyone else's mother grew up in the Depression, too, maybe it's an Acadian thing. Or merely Maritime—Canada's ‘have-not’ provinces. 2. Geology. a. Designating the Middle Cambrian system in (esp. eastern) North America; of or relating to this system. Cf. Albertan adj. 1b Now chiefly historical. ΚΠ 1855 J. W. Dawson Acadian Geol. i. 2 The Acadian provinces form a well-marked geological district, distinguished from all the neighbouring parts of America by the enormous and remarkable development within it of rocks of the Carboniferous and New Red Sandstone systems.] 1868 J. W. Dawson in Proc. 16th Meeting Amer. Assoc. Advancem. Sci. 118 These rocks..having been ascertained to be Devonian, there still remained an immense thickness of underlying rocks of uncertain age... It is proposed to call this series, represented in New Brunswick by the St. John slates, the Acadian Series. 1906 Ann. Rep. U.S. National Mus. 1904 675 Mr. Walcott's own studies later showed the existence of his Olenellus (Georgian) fauna below rather than above the Paradoxides (Acadian) beds. 1982 W. B. Harland et al. Geologic Time Scale ii. 11/2 In North America..names have had regional significance often contrasted between Appalachian and Cordilleran usage, i.e. Georgian, Acadian and Potsdam..in the east..and somewhat later, in the west, Waucoban, Albertan and Croixian. Usage now tends to favour the western nomenclature. 2002 Jrnl. Paleontol. 76 822 (title) Middle Cambrian (Acadian series) conocoryphid and paradoxidid trilobites from the upper Chamberlain's Brook Formation, Newfoundland and New Brunswick. b. Designating an orogenic era in Late Devonian and Mississippian times that affected esp. the Appalachians and the east coast of Canada; of or relating to this orogeny. ΚΠ 1895 H. S. Williams Geol. Biol. ii. 42 Elevation and unconformity terminating the Devonian formations of Maine, New Brunswick, and Nova Scotia..may..be called the Acadian revolution. 1915 L. V. Pirsson Text-bk. Geol. I. xxxviii. 700 The Acadian disturbance was of greater import than is usually believed by American geologists. 1933 C. Schuchert & C. O. Dunbar Textbk. Geol. (ed. 3) ii. xi. 208 The Acadian orogeny..produced the strong folding now seen in the Devonian and older rocks of New Hampshire, Maine, and northern New Brunswick. 1955 I. Velikovsky Earth in Upheaval xiii. 214 The next (Devonian) period was marked by a so-called Acadian disturbance, with uplifts and depressions. 1996 D. C. Roberts Field Guide Geol.: Eastern N. Amer. v. 285 Some of the domes in this chain of oldest Acadian rocks contain gneiss and amphibolite that started as Late Ordovician intrusive rocks during the Taconic Orogeny. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.adj.1705
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