n. pl. plu·toc·ra·cies
1. Government by the wealthy.
2. A wealthy class that controls a government.
3. A government or state in which the wealthy rule.
[Greek ploutokratiā : ploutos, wealth; see pleu- in the Appendix of Indo-European roots + -kratiā, -cracy.]
pluto·crat′ (pltə-krăt′) n.
plu′to·cratic, plu′to·crati·cal adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.