Noun
1. chemical process in which one atom or ion or group changes places with another
2. a mutual expression of views (especially an unpleasant one);
"they had a bitter exchange"3. the act of changing one thing for another thing;
"Adam was promised immortality in exchange for his disobedience""there was an exchange of prisoners"4. the act of giving something in return for something received;
"deductible losses on sales or exchanges of property are allowable"5. a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
6. a workplace for buying and selling; open only to members
7. (sports) an unbroken sequence of several successive strokes;
"after a short rally Connors won the point"8. reciprocal transfer of equivalent sums of money especially the currencies of different countries;
"he earns his living from the interchange of currency"9. 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"
10. (chess) gaining (or losing) a rook in return for a knight or bishop;
"black lost the exchange"11. (chess) the capture by both players (usually on consecutive moves) of pieces of equal value;
"the endgame began after the exchange of queens"Verb
1. give to, and receive from, one another;
"Would you change places with me?""We have been exchanging letters for a year"2. 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"3. change over, change around, or switch over
4. hand over one and receive another, approximately equivalent;
"exchange prisoners""exchange employees between branches of the company"5. exchange a penalty for a less severe one