exchange

(redirected from exchanges)
Also found in: Dictionary, Thesaurus, Legal, Financial, Idioms, Encyclopedia.
Related to exchanges: Stock exchanges, Exchanges Rates, Futures exchanges, Telephone exchanges

exchange

 [eks-chānj´]
1. the substitution of one thing for another.
2. to substitute one thing for another.
gas exchange the passage of oxygen and carbon dioxide in opposite directions across the alveolocapillary membrane.
health care information exchange in the nursing interventions classification, a nursing intervention defined as providing patient care information to health professionals in other agencies.
impaired gas exchange a nursing diagnosis approved by the North American Nursing Diagnosis Association, defined as excess or deficit in oxygenation and/or carbon dioxide elimination at the alveolocapillary membrane (see gas exchange). Etiological and contributing factors include an altered oxygen supply, changes in the alveolar-capillary membrane, altered blood flow, and altered oxygen-carrying capacity of the blood. Defining characteristics include changes in mental status such as confusion, somnolence, restlessness, and irritability; ineffective coughing and inability to move secretions from the air passages; hypercapnia; and hypoxia. For specific medical treatments and nursing interventions, see airway clearance, ineffective; breathing patterns, ineffective; chronic airflow limitation; and anemia.
plasma exchange see plasma exchange.

ex·change

(eks-chānj'),
To substitute one thing for another, or the act of such substitution.

exchange

/ex·change/ (eks-chānj)
1. the substitution of one thing for another.
2. to substitute one thing for another.

plasma exchange  the removal of plasma from withdrawn blood, with retransfusion of the formed elements into the donor; done for removal of circulating antibodies or abnormal plasma constituents. The plasma removed is replaced by type-specific frozen plasma or by albumin.

ex·change

(eks-chānj')
To substitute one thing for another, or the act of such substitution.
References in classic literature ?
Crude little telephone exchanges were being started in a dozen or more cities.
For which reason others endeavour to procure other riches and other property, and rightly, for there are other riches and property in nature; and these are the proper objects of economy: while trade only procures money, not by all means, but by the exchange of it, and for that purpose it is this which it is chiefly employed about, for money is the first principle and the end of trade; nor are there any bounds to be set to what is thereby acquired.
His name had been proclaimed as a defaulter on the Stock Exchange, and his bankruptcy and commercial extermination had followed.
It was very warm, and for a while they did nothing but exchange remarks about the heat, the sun, the glare.
Besides, they would exchange the whaling news, and have an agreeable chat.
Simpson speedily bartered with a man "over Wareham way," and got in exchange for it an old horse which his owner did not need, as he was leaving town to visit his daughter for a year, Simpson fattened the aged animal, keeping him for several weeks (at early morning or after nightfall) in one neighbor's pasture after another, and then exchanged him with a Milltown man for a top buggy.
many a prince has been known To barter his robes for our cowl and our gown, But which of us e'er felt the idle desire To exchange for a crown the grey hood of a Friar!
I don't know whether I am good," said Don Quixote, "but I can safely say I am not 'the Bad;' and to prove it, let me tell you, Senor Don Alvaro Tarfe, I have never in my life been in Saragossa; so far from that, when it was told me that this imaginary Don Quixote had been present at the jousts in that city, I declined to enter it, in order to drag his falsehood before the face of the world; and so I went on straight to Barcelona, the treasure-house of courtesy, haven of strangers, asylum of the poor, home of the valiant, champion of the wronged, pleasant exchange of firm friendships, and city unrivalled in site and beauty.
The East-Indian and Chinese markets, the colonisation of America, trade with the colonies, the increase in the means of exchange and in commodities generally, gave to commerce, to navigation, to industry, an impulse
Had the men been strangers, and therefore unable to exchange names, they would have silently exchanged ornaments, had their missions been peaceful--otherwise they would have exchanged shots, or have fought out their introduction with some other of their various weapons.
Conseil and I remained near each other, as if an exchange of words had been possible through our metallic cases.
He's on the Stock Exchange, and he's a typical broker.