e-com‧merce /ˈiː kɒmɜːs, $ -kɑːmɜːrs/ noun [uncountable]
(electronic commerce) the activity of buying and selling goods and services and doing other business activities using a computer and the Internet:
e-commerce applications such as online ticketing and reservations

[TahlilGaran] Dictionary of Contemporary English ▲

business the activity of making money by producing, buying, or selling goods, or providing services:
Business in Europe has been badly affected by economic conditions in the US.
He works in the advertising business.
trade the buying and selling of goods and services, especially between countries:
Trade between European countries became easier after the introduction of the Euro.
a trade agreement
commerce the buying and selling of goods and services. Commerce is more formal than business, and is used when talking about business activities in general:
One of the roles of the federal government is to regulate commerce.
London became a great centre of commerce.
the local chamber of commerce (=an organization which the companies and shops in an area belong to)
e-commerce the buying and selling of goods and services on the Internet:
E-commerce is a fast-growing part of the US economy.

[TahlilGaran] English Thesaurus ▲