exchange

(noun) chemical process in which one atom or ion or group changes places with another.

(noun) a mutual expression of views (especially an unpleasant one). Example: "They had a bitter exchange."

(noun) the act of changing one thing for another thing. Synonyms: interchange. Examples: "Adam was promised immortality in exchange for his disobedience." "There was an interchange of prisoners."

(noun) the act of giving something in return for something received. Example: "Deductible losses on sales or exchanges of property are allowable."

(noun) a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication. Synonyms: central, telephone exchange.

(noun) a workplace for buying and selling; open only to members.

(noun) (sports) an unbroken sequence of several successive strokes. Synonyms: rally. Example: "After a short rally connors won the point."

(noun) reciprocal transfer of equivalent sums of money (especially the currencies of different countries). Synonyms: interchange. Example: "He earns his living from the interchange of currency."

(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". Synonyms: substitution, commutation.

(noun) (chess) gaining (or losing) a rook in return for a knight or bishop. Example: "Black lost the exchange."

(noun) (chess) the capture by both players (usually on consecutive moves) of pieces of equal value. Example: "The endgame began after the exchange of queens."

(verb) give to, and receive from, one another. Synonyms: change, interchange. Examples: "Would you change places with me?." "We have been exchanging letters for a year."

(verb) exchange or replace with another, usually of the same kind or category. Synonyms: change, commute, convert. Examples: "Could you convert my dollars into pounds?." "He changed his name." "Convert centimeters into inches." "Convert holdings into shares."

(verb) change over, change around, as to a new order or sequence. Synonyms: switch over, switch.

(verb) hand over one and receive another, approximately equivalent. Examples: "Exchange prisoners." "Exchange employees between branches of the company."

(verb) put in the place of another; switch seemingly equivalent items. Synonyms: substitute, replace, interchange. Examples: "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."

(verb) exchange a penalty for a less severe one. Synonyms: commute, convert.