chemical process in which one atom or ion or group changes places with another
"The substitution reaction occurs when a chlorine atom exchanges its place with a hydroxyl group on the benzene ring."
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
"The old telephone exchange in downtown has finally been decommissioned after decades of connecting local calls."
a workplace for buying and selling; open only to members
"After years of waiting on the list, she finally got her membership card and stepped into the exclusive exchange where rare antiques were traded."
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"
"The coach decided to exchange the tired striker for a fresh midfielder during halftime."
(chess) gaining (or losing) a rook in return for a knight or bishop
"black lost the exchange"
(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
"the endgame began after the exchange of queens"
An act of exchanging or trading.
"We decided to exchange our old winter coats for new ones at the thrift store."
In plain English: An exchange is something you give to someone else and get something different back in return.
"They exchanged smiles when they saw each other at the party."
Usage: Use "exchange" as a noun to describe an act of giving and receiving something mutually, such as swapping items or having a conversation. It refers specifically to the transaction or interaction itself rather than the physical place where it happens.
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
"After realizing they had swapped their seats in line, Sarah politely asked the man next to her if she could exchange them back."
hand over one and receive another, approximately equivalent
"exchange prisoners"
"exchange employees between branches of the company"
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"
To trade or barter.
"We decided to exchange our extra apples for some fresh bread at the market stall."
In plain English: To exchange something means to give it to someone else and receive something different in return.
"They decided to exchange their old phones for new ones at the store."
Usage: Use exchange as a verb when you give something to someone in return for receiving something else of equal or greater value. It describes the mutual act of trading items, information, or services between two parties.
The word exchange comes from Old French and originally meant to swap or barter goods. It entered English through Anglo-Norman before its spelling was adjusted in Middle English to reflect the prefix "ex-" combined with "change."