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say it: iks-CHAYNJ
exchange is a noun and verb meaning "chemical process in which one atom or ion or group changes places with another". It carries 17 recorded senses.
chemical process in which one atom or ion or group changes places with another
a mutual expression of views (especially an unpleasant one)
“they had a bitter exchange”
the act of changing one thing for another thing
“Adam was promised immortality in exchange for his disobedience”
“there was an interchange of prisoners”
the act of giving something in return for something received
“deductible losses on sales or exchanges of property are allowable”
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
a workplace for buying and selling; open only to members
(sports) an unbroken sequence of several successive strokes
“after a short rally Connors won the point”
badminton · table tennis · tennis
reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
“he earns his living from the interchange of currency”
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"
(chess) gaining (or losing) a rook in return for a knight or bishop
“black lost the exchange”
chess
(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
“the endgame began after the exchange of queens”
chess
give to, and receive from, one another
“Would you change places with me?”
“We have been exchanging letters for a year”
change over, change around, as to a new order or sequence
put in the place of another; switch seemingly equivalent items
“the con artist replaced the original with a fake Rembrandt”
“substitute regular milk for fat-free milk”
“synonyms can be interchanged without a changing the context's meaning”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for exchange come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.