concentration

[ kon-suhn-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.
   1. the assembling of military or naval forces in a particular area in preparation for further operations.
   2. a specified intensity and duration of artillery fire placed on a small area.
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.

concentration

/ ˌkɒnsənˈtreɪʃən /

noun

1. intense mental application; complete attention
2. the act or process of concentrating
3. something that is concentrated
4. the strength of a solution, esp the amount of dissolved substance in a given volume of solvent, usually expressed in moles per cubic metre or cubic decimetre (litre) c
5. the process of increasing the concentration of a solution
6. military
   1. the act of bringing together military forces
   2. the application of fire from a number of weapons against a target
7. economics the degree to which the output or employment in an industry is accounted for by only a few firms
8. another name (esp US) for Pelmanism

concentration

/ kŏn′sən-trā′shən /

1. The amount of a particular substance in a given amount of another substance, especially a solution or mixture.

Other Words From

• hyper·concen·tration noun
• noncon·cen·tration noun
• over·concen·tration noun
• precon·cen·tration noun

Word History and Origins

Origin of concentration¹

First recorded in 1625–35; concentr(ic) + -ation

Example Sentences

Think the need for a third espresso to maintain the same level of concentration you once achieved with a single shot.

From Science Daily

These high concentrations result in unique chemical reactions within cancer cells that render the cells more vulnerable to chemo- and radiation therapies.

From Science Daily

Natural sinks play a vital role to moderate the impact of current emissions and draw down atmospheric CO2 concentrations after the date of net zero, stabilizing global temperatures.

From Science Daily

They obtained data of PM concentrations that were 10 micrometers or less and 2.5 micrometers or less in diameter.

From Science Daily

The industry's influence stems largely from a handful of wealthy players — a concentration of power that mirrors the financial system crypto pioneers once railed against.

From Salon

Related Words

• absorption
• combination
• consolidation