(banking) A document demanding payment from another party, especially used in international trade.

(Internet) A scheme of reciprocal linking whereby two or more websites link to one another to increase traffic.

plural of key exchange

The area in which the baton must be passed from one runner to another during a relay race.

plural of foreign exchange

plural of bill of exchange

plural of bet exchange

plural of medium of exchange

A method of language learning based on mutual practice by learning partners who speak different languages.

plural of exchange zone