(cryptography) An exchange of peers' keys at the initialization phase of connection.

A building that trades stocks in of companies for money and vice versa. / An organisation that trades stocks in of companies for money and vice versa.

any equipment that establishes connections between telephones / the rooms housing such equipment

(chemistry) the reversible process whereby ions are exchanged between a solution and a solid or gel; cation exchange is the process used in a water softener

The exchange of currency from one country for currency from another country. / Foreign currency.

Alternative form of labour exchange

plural of medium of exchange

plural of labor exchange

(dated, UK) An employment agency, a job centre

plural of labour exchange