a company doing business mostly or solely on the Internet.
adjective
2.
of or relating to such a company or to the business it conducts.
Also, dotcom.
Origin
1995-2000; from the pronunciation of .com, suffix of domain name in most commercial Internet addresses
Related forms
dot-commer, dot-comer, noun
dot-coms in Culture
dot-coms definition
Colloquial name given to start-up companies that sell goods and services over the Internet. Dot-coms proliferated in the 1990s, but many failed by early 2000. The name comes from the “.com” ending of the Internet address of such companies.