Gilded Age

noun
  1. the period in the U.S. c1870–98, characterized by a greatly expanding economy and the emergence of plutocratic influences in government and society.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for gilded age

Gilded Age

n.

in reference to an era in U.S. history, from the novel "The Gilded Age" by Mark Twain and C.D. Warner, published 1873.

Online Etymology Dictionary, © 2010 Douglas Harper