provincialism

From French provincialisme, equivalent to provincial +‎ -ism.

provincialism (countable and uncountable, plural provincialisms)

1. The quality of being provincial; having provincial tastes, mentality, manners.

   The blacksmith's provincialism showed in his speech and manner

2. (linguistics) A word or locution characteristic of a region or district.
   • 1875, Andrew Dousa Hepburn, Manual of English Rhetoric, New York: American Book Company, page 79:

     Prose is allowed less liberty in this respect; but no one nowadays would maintain that the adoption of a provincialism into the literary dialect is absolutely prohibited.

3. (politics) Synonym of regionalism: belief in the superiority of one's regional government; the belief that most or nearly all political power should be decentralized to provincial governments.

• (linguistics): regionalism

Borrowed from French provincialisme. By surface analysis, provincial +‎ -ism.

provincialism n (plural provincialisme)

1. provincialism