1. (Réseaux) Synonyme de MAPI : protocole d'échange d'emails.
2. [noun] An act of exchanging or trading.
3. [noun] A place for conducting trading.
4. [noun] A telephone exchange.
5. [noun] (telephony, US only?) The fourth through sixth digits of a ten-digit phone number (the first three before the introduction of area codes).
6. [noun] A conversation.
7. [noun] (chess) The loss of one piece and associated capture of another
8. [noun] (usually with 'the') The loss of a relatively minor piece (typically a bishop or knight) and associated capture of the more advantageous rook
9. [noun] (obsolete) The thing given or received in return; especially, a publication exchanged for another.
10. [noun] (biochemistry) The transfer of substances or elements like gas, amino-acids, ions etc. sometimes through a surface like a membrane.
11. [verb] (transitive) To trade or barter.
12. [verb] (transitive) To replace with, as a substitute.
13. [noun] Chemical process in which one atom or ion or group changes places with another.
14. [noun] A mutual expression of views (especially an unpleasant one); 'they had a bitter exchange'.
15. [noun] The act of changing one thing for another thing; 'Adam was promised immortality in exchange for his disobedience'; 'there was an interchange of prisoners'.
16. [noun] The act of giving something in return for something received; 'deductible losses on sales or exchanges of property are allowable'.
17. [noun] A workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication.
18. [noun] A workplace for buying and selling; open only to members.
19. [noun] (sports) an unbroken sequence of several successive strokes; 'after a short rally Connors won the point'.
20. [noun] Reciprocal transfer of equivalent sums of money (especially the currencies of different countries); 'he earns his living from the interchange of currency'.
21. [noun] The act of putting one thing or person in the place of another: 'he sent Smith in for Jones but the substitution came too late to help'.
22. [noun] (chess) gaining (or losing) a rook in return for a knight or bishop; 'black lost the exchange'.
23. [noun] (chess) the capture by both players (usually on consecutive moves) of pieces of equal value; 'the endgame began after the exchange of queens'.
24. [verb] Give to, and receive from, one another; 'Would you change places with me?'; 'We have been exchanging letters for a year'.
25. [verb] Exchange or replace with another, usually of the same kind or category; 'Could you convert my dollars into pounds?'; 'He changed his name'; 'convert centimeters into inches'; 'convert holdings into shares'.
26. [verb] Change over, change around, as to a new order or sequence.
27. [verb] Hand over one and receive another, approximately equivalent; 'exchange prisoners'; 'exchange employees between branches of the company'.
28. [verb] Put in the place of another; switch seemingly equivalent items; 'the con artist replaced the original with a fake Rembrandt'; 'substitute regular milk with fat-free milk'; 'synonyms can be interchanged without a changing the context's meaning'.
29. [verb] Exchange a penalty for a less severe one.
