concentration
Collocations
16(noun.) giving all your attention/effort to sth
ADJ
deep, great, intense
total
The students showed total concentration during the difficult exam yesterday afternoon.
poor | exclusive
VERB + CONCENTRATION
demand, require
Studying for the exam demanded such intense concentration that I forgot to eat lunch.
lose
break, disturb
The loud construction noise outside disturbed my concentration during the exam.
CONCENTRATION + NOUN
span
PREP
~ on
The student's focus improved when she increased her concentration on the difficult math problems.
PHRASES
a lack of concentration, a lapse in/of concentration
Even a brief lapse of concentration while driving can cause a serious accident.
powers of concentration
The student's powers of concentration improved after she started taking regular breaks during study sessions.
(noun.) large number/amount of sth in one place
ADJ
great, heavy, high, large
There is a high concentration of restaurants in the old town near the harbour.
low | geographical
CONCENTRATION + VERB
increase, rise
Salt concentration increases significantly when you boil water in a pot.
decrease, fall