Online Google Dictionary

concentrations 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˌkänsənˈtrāSHən/,
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concentrations, plural;
  1. The action or power of focusing one's attention or mental effort
    • - frowning in concentration
    • - the worker needs total concentration
  2. Dealing with one particular thing above all others
    • - concentration on the needs of the young can mean that the elderly are forgotten
  3. A close gathering of people or things
    • - the largest concentration of Canada geese on earth
  4. The action of gathering together closely
    • - the concentration of power
  5. The relative amount of a given substance contained within a solution or in a particular volume of space; the amount of solute per unit volume of solution
    • - the gas can collect in dangerous concentrations
  6. The action of strengthening a solution by the removal of water or other diluting agent or by the selective accumulation of atoms or molecules

  1. (concentration) the strength of a solution; number of molecules of a substance in a given volume
  2. (concentration) the spatial property of being crowded together
  3. (concentration) increase in density
  4. (concentration) complete attention; intense mental effort
  5. (concentration) bringing together military forces
  6. (concentration) assiduity: great and constant diligence and attention
  7. (Concentration (chemistry)) In chemistry, concentration is the measure of how much of a given substance there is mixed with another substance. ...
  8. (Concentration (domino game)) This is a partial list of games played with domino tiles or similar equipment. The most typical domino games are layout games, i.e. games in which the players add matching tiles from their hand to a layout in the middle of the table. ...
  9. (Concentration (game show)) Concentration is a TV game show based on the children's memory game of the same name. It aired on and off from 1958–1991, hosted by various hosts and played in various ways. ...
  10. (Concentration (game)) Concentration, also known as Memory, Pelmanism, Shinkei-suijaku, Pexeso or simply Pairs, is a card game in which all of the cards are laid face down on a surface and two cards are flipped face up over each turn. ...
  11. (Concentration (Netherlands)) The Concentration was a coalition of Dutch liberal parties between 1901 and 1918. The Vrijzinnig Democratische Bond, Liberale Unie and the Bond Vrije Liberalen participated. ...
  12. (Concentration (psychology)) Attention is the cognitive process of selectively concentrating on one aspect of the environment while ignoring other things. Attention has also been referred to as the allocation of processing resources.
  13. (concentration) The proportion of a substance in a mixture. (chemistry) The amount of solute in a solution measured in parts per million (ppm); The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated. ...
  14. (Concentration (economic)) A measure of the degree to which a few large firms dominate total sales, production, or capacity within an industry or market. The concern is that the more concentrated an industry, the greater the likelihood of price and market manipulation. ...
  15. (Con·cen·tra·tion) ["kän(t)-s&n-'trA-sh&n]. The amount of a component in a given area or volume. In this case, a measurement of how much of a particular gas is in the atmosphere compared to all of the gases in the atmosphere.
  16. (Concentration) One of the Six Pilates Principles.  If one brings full attention to the exercise and does it with full commitment, maximum value will be obtained from each movement.
  17. (Concentration) Amount of a drug in a unit volume of biological fluid, expressed as weight per volume. Urine concentrations are usually expressed either as nanograms per milliliter (ng/ml), as micrograms per milliliter (µg/ml), or milligrams per liter (mg/l). ...
  18. (Concentration) Maintaining attention on a task over a period of time; remaining attentive and not easily diverted.
  19. (Concentration) The amount of active ingredient or pesticide equivalent in a quantity of diluent, expressed as lb/gal, ml/liter, etc.
  20. (Concentration) The percentage of a client's accounts receivable which is owed by a single customer. If the percentage is high, then it is considered to be a large concentration, and high risk.
  21. (Concentration) A collection of courses within a major which focuses on a particular subject area.
  22. (Concentration) An option or special emphasis within a degree program.
  23. (Concentration) a focus within a major (for example, a student doing a degree with a major in business might go for a concentration in marketing).
  24. (Concentration) The portion of a factor’s total factoring funds invested in a single customer.
  25. (Concentration) The ability to remain single-pointedly on the object of meditation.