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Definition of exchang

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1. exchange [ n ] chemical process in which one atom or ion or group changes places with another

Used in print:

(Francis J. Johnston and John E. Willard, "The...)

The thermal exchange of chlorine between * * f and liquid * * f is readily measurable at temperatures in the range of 180 ` and above .

The rate of the gas phase exchange reaction appears to be proportional to the first power of the absorbed light intensity indicating that the radical intermediates are removed at the walls or by reaction with an impurity rather than by bimolecular radical combination reactions .

Because of the simplicity of the molecules , isotopic exchange reactions between elemental halogens and the corresponding carbon_tetrahalides would appear to offer particularly fruitful possibilities for obtaining unambiguous basic kinetic data .

Furthermore , the exchange would not be expected to be sensitive to trace amounts of impurities because it would not be apt to be a chain_reaction since the activation_energy for abstraction of chlorine by a chlorine atom would be expected to be too high ; also it would be expected that * * f would compete very effectively with any impurities as a scavenger for * * f radicals .

We are reporting these investigations here briefly because of their relevancy to problems of the study of apparently simple exchange reactions of chlorine and because the results furnish some information on the activation_energy for abstraction of chlorine atoms from carbon_tetrachloride .

Synonyms exchange Related Terms chemical_phenomenon photochemical_exchange

2. exchange [ v ] give to, and receive from, one another
Examples: "Would you change places with me?" "We have been exchanging letters for a year"

Used in print:

(Francis J. Johnston and John E. Willard, "The...)

The reaction rates observed at 200 ` ranged from * * f of the chlorine exchanged per hour to 0.7 exchanged per hour .

The reaction rates observed at 200 ` ranged from * * f of the chlorine exchanged per hour to 0.7 exchanged per hour .

(Robert Penn Warren, Wilderness....)

When they stood about his tent , chaffing each other , exchanging their obscenities , cursing command or weather , he had studied their faces .

Synonyms exchange change interchange Related Terms transfer sell substitute trade substitute trade cash bargain barter ransom interchange

3. exchange [ n ] the act of changing one thing for another thing
Examples: "the was a short exchange of strokes before Connors won the point" "Adam was promised immortality in exchange for his disobedience"

Used in print:

(Chicago Daily Tribune...)

There are other good representations of peasants and people of the court by actors who are finely costumed and magnificently photographed in this last of the Russian films to reach this country in the program of joint cultural exchange .

(Jaroslav Pelikan, The Shape of Death: life, death and...)

Man was created with the capacity for immortality , but the devil 's promise of immortality in exchange for disobedience cost Adam his immortality .

Synonyms exchange Related Terms group_action rally trade-off commute

4. exchange [ n ] a mutual expression of views (especially an unpleasant one)
Examples: "they had a bitter exchange"

Used in print:

(Christopher Davis, First Family....)

The exchange was almost invariable , and Scotty , in his bed , could hear every word of_it .

(Bruce Palmer, "My Brother's Keeper", Many Are...)

He wanted no part of the emotions of the exchange , no memory of the joy and gratitude that other men felt .

Synonyms exchange Related Terms conversation

5. exchange [ n ] the act of giving something in return for something received
Examples: "deductible losses on sales or exchanges of property are allowable"

Used in print:

(William C. Smith, "Why Fear Ideas?"...)

We are reminded , however , that freedom_of_thought and discussion , the unfettered exchange of ideas , is basic under our form_of_government .

(Your Federal Income Tax. 1962 Edition (Revised to...)

Deductible losses on sales or exchanges of property are allowable in determining your Adjusted_Gross_Income .

(Committee for Economic Development, Distressed...)

Much of the available information comes not from the Federal_government but from an exchange of experiences among states .

Synonyms exchange Related Terms transaction logrolling

6. exchange [ v ] exchange or replace with another, usually of the same kind or category
Examples: "Could you convert my dollars into pounds?" "He changed his name" "convert centimeters into inches" "convert holdings into shares"

Used in print:

(Francis J. Johnston and John E. Willard, "The...)

Sets of reaction tubes containing 0.2 of an atmosphere of added oxygen in one case and added moisture in another , both gave reaction rates in the range of 0.1 to 0.4 of the chlorine exchanged per hour .

Synonyms change convert exchange commute Related Terms replace implement launder rectify utilize break capitalize switch conversion exchanger

7. exchange [ n ] a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication

Used in print:

(Edwin L. Bigelow and Nancy H. Otis,...)

In 1932 Dorset received its own exchange , which made business easier for the Manchester office , but it was not until February 1953 that area service was extended to include Manchester and Dorset .

Synonyms exchange telephone_exchange central Related Terms workplace switchboard centrex telephone_system

8. exchange [ v ] change over, change around, or switch over

Used in print:

(Los Angeles Times...)

But the Raoul Esnards have exchanged their residence in Southern_California for Mexico_City .

Synonyms switch exchange switch_over Related Terms change_by_reversal commutation

9. exchange [ n ] (sports) an unbroken sequence of several successive strokes
Examples: "after a short rally Connors won the point"

Synonyms exchange rally Related Terms group_action table_tennis tennis squash badminton squash

10. exchange [ n ] (chess) gaining (or losing) a rook in return for a knight or bishop
Examples: "black lost the exchange"

Synonyms exchange Related Terms capture chess

11. exchange [ v ] exchange a penalty for a less severe one

Synonyms commute exchange convert Related Terms change

12. exchange [ n ] reciprocal transfer of equivalent sums of money especially the currencies of different countries
Examples: : "he earns his living from the interchange of currency"

Synonyms interchange exchange Related Terms commerce barter foreign_exchange conversion change

13. exchange [ v ] hand over one and receive another, approximately equivalent
Examples: "exchange prisoners" "exchange employees between branches of the company"

Synonyms exchange Related Terms transfer alternate commutation

14. exchange [ n ] (chess) the capture by both players (usually on consecutive moves) of pieces of equal value
Examples: "the endgame began after the exchange of queens"

Synonyms exchange Related Terms capture chess

15. exchange [ n ] the substitution of one method of payment for another

Synonyms exchange substitution commutation Related Terms change substitution replacement weaning subrogation substitute commute switch_over

16. exchange [ n ] a workplace for buying and selling; open only to members

Synonyms exchange Related Terms workplace stock_exchange corn_exchange commodity_exchange

17. exchange [ n ] the act of putting one thing or person in the place of another
Examples: : "he sent Smith in for Jones but the substitution came too late to help

Synonyms exchange substitution Related Terms change replacement weaning subrogation commutation

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