| exchange | |
| 1. n. An act of exchanging or trading. | |
| All in all, it was an even exchange. | |
| an exchange of cattle for grain | |
| 2. n. A place for conducting trading. | |
| The stock exchange is open for trading. | |
| 3. n. A telephone exchange. | |
| 4. n. (telephony, US) The fourth through sixth digits of a ten-digit phone number (the first three before the introduction of area codes). | |
| The 555 exchange is reserved for use by the phone company, which is why it's often used in films. | |
| NPA-NXX-1234 is standard format, where NPA is the area code and NXX is the exchange. | |
| 5. n. A conversation. | |
| After an exchange with the manager, we were no wiser. | |
| 6. n. (chess) The loss of one piece and associated capture of another | |
| 7. n. (usually with "the") The loss of a relatively minor piece (typically a bishop or knight) and associated capture of the more advantageous rook | |
| 8. n. (obsolete) The thing given or received in return; especially, a publication exchanged for another. | |
| 9. n. (biochemistry) The transfer of substances or elements like gas, amino-acids, ions etc. sometimes through a surface like a membrane. | |
| 10. n. (finance) The difference between the values of money in different places. | |
| 11. v. To trade or barter. | |
| I'll gladly exchange my place for yours. | |
| 12. v. To replace with, as a substitute. | |
| I'd like to exchange this shirt for one in a larger size. | |
| Since his arrest, the mob boss has exchanged a mansion for a jail cell. | |
