onlineexchange

noun
UK /ˌɒnlaɪn ɪksˈtʃeɪndʒ/
US /ˌɑːnlaɪn ɪksˈtʃeɪndʒ/

An online exchange is a website where people swap things or talk with each other over the internet.

The students used an online exchange to trade books with kids in another country.


OTHER MEANINGS

2. A conversation or sharing of ideas between people on the internet.

Our class had an online exchange with a school in Japan.

3. A service that lets people change one kind of money into another over the internet.

She used an online exchange to turn her dollars into euros.

4. A place on the internet where people buy and sell things.

He found a rare comic on an online exchange.