exchange (EN)

verb, noun

verb “exchange”

1. to replace something with another
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   She went back to the store to exchange the shoes for a larger size after realizing they were too small.
2. (of several people) to give or provide one thing (e.g. a gift) and receive another
   During the holidays, family members exchanged gifts to show their appreciation for one another.
3. to mutually do or provide the given thing
   In the hallway, they exchanged smiles and continued on their way.
4. to talk to one another
   The two players exchanged friendly banter before the game began.
5. (of money) to receive money in a different currency
   I need to find a place to exchange money for the local currency.
6. to share (information or ideas)
   At the conference, scientists exchanged their latest research findings with colleagues from around the world.

noun “exchange”

1. an act of giving one thing and receiving another in return
   To celebrate the end of the project, the team organized an exchange of small presents among colleagues.
2. a place where financial trading happens, especially of stocks or commodities
   Investors closely watch the activity on the stock exchange for signs of market trends.
3. a short conversation or interaction
   After a brief exchange in the coffee shop line, they realized they had met before.
4. a central system that connects telephone calls
   The company's telephone exchange was upgraded to improve communication efficiency.
5. the act of changing money from one currency to another
   Before traveling to Europe, he made an exchange of dollars for euros at the bank.
6. (in chess) the strategic trade of pieces, often involving a minor piece and a rook
   In a bold move, she initiated an exchange that left her opponent at a disadvantage.
7. (biology) the process of substances moving across a membrane
   The exchange of oxygen and carbon dioxide in the lungs is essential for breathing.