concentrations
Pronunciation: [ˌkɒn.sənˈtreɪ.ʃənz]
Word
Context: "science"
(noun) the amount of a substance in a certain volume of liquid or space. In science, we check how much of something like salt is mixed in water or how many people are in a small area.
Example
The concentration of salt in the solution was just right for the experiment.
Example
The concentration of sugar in the drink was too low to taste.
Example
What is the concentration of carbon dioxide in the air we breathe?
Context: "mental focus"
(noun) the ability to think about something carefully and not get distracted. It’s when you are really paying attention to your homework or a game.
Example
Her concentration during the test helped her answer all the questions.
Example
His lack of concentration made it hard for him to finish the puzzle.
Example
How can I improve my concentration when studying?
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