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concentration - 6 dictionary results
con⋅cen⋅tra⋅tion
[kon-suh
n-trey-shuhn] 
–noun
| 1. | the act of concentrating; the state of being concentrated. |
| 2. | exclusive attention to one object; close mental application. |
| 3. | something concentrated: a concentration of stars. |
| 4. | Military.
|
| 5. | the focusing of a student's academic program on advanced study in a specific subject or field. |
| 6. | Chemistry. (in a solution) a measure of the amount of dissolved substance contained per unit of volume. |
| 7. | Also called memory. Cards. a game in which all 52 cards are spread out face down on the table and each player in turn exposes two cards at a time and replaces them face down if they do not constitute a pair, the object being to take the most pairs by remembering the location of the cards previously exposed. |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To concentration
| con·cen·tra·tion (kŏn'sən-trā'shən) n.
|
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Concentration
Con`cen*tra"tion\, n. [Cf. F. concentration.]1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. Concentration of the lunar beams. --Boyle. Intense concetration of thought. --Sir J. Herschel. 2. The act or process of reducing the volume of a liquid, as by evaporation. The acid acquires a higher degree of concentration. --Knight. 3. (Metal.) The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : concentration
Spanish:
concentración,
German:
die Konzentration,
Japanese:
集中
Main Entry: con·cen·tra·tion
Pronunciation: "kän(t)-s&n-'trA-sh&n, -"sen-
Function: noun
1 : the act or action ofconcentrating: as a : a directing of the attention or of the mental faculties toward a single object b : an increasing of strength (as of a solute or a gas in amixture) or a purifying by partial or total removal of diluents, solvents, admixed gases, extraneous material, or waste (as by evaporation or diffusion)
2 : a crude activeprinciple of a vegetable especially for pharmaceutical use in the form of a powder or resin
3 : the relative content of a component (as dissolved or dispersed material) of asolution, mixture, or dispersion that may be expressed in percentage by weight or by volume, in parts per million, or in grams per liter
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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concentration con·cen·tra·tion (kŏn'sən-trā'shən)
n.
- An increase of the strength of a pharmaceutical preparation by the extraction, precipitation, and drying of its crude active agent.
- An increase in the strength of a fluid or gas in a mixture by purification, evaporation, or diffusion.
- The amount of a specified substance in a unit amount of another substance.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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| concentration (kŏn'sən-trā'shən) Pronunciation Key
The amount of a particular substance in a given amount of another substance, especially a solution or mixture. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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