transcription, транскрипция: [ kɒns(ə)ntreɪʃ(ə)n ]
( concentrations)
Frequency: The word is one of the 3000 most common words in English.
1.
Concentration on something involves giving all your attention to it.
Neal kept interrupting, breaking my concentration...
We lacked concentration and it cost us the goal and the game.
N-UNCOUNT
2.
A concentration of something is a large amount of it or large numbers of it in a small area.
The area has one of the world’s greatest concentrations of wildlife...
There’s been too much concentration of power in the hands of central authorities.
N-VAR : usu N of n
3.
The concentration of a substance is the proportion of essential ingredients or substances in it.
pH is a measure of the concentration of free hydrogen atoms in a solution...
N-VAR : with supp , oft N of n , n N