Part of the Internet address of many companies and organizations. It indicates that the site is commercial, as opposed to educational or governmental.
The explosive growth of wealth connected to the Internet in the 1990s is often said to have created many “dot-com millionaires.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.