decrease (decreases plural & 3rd person present) (decreasing present participle) (decreased past tense & past participle )
The verb is pronounced [PH:d][PH:I][PH:k][PH:r][PH:i][PH::][PH:s]. The noun is pronounced [PH:d][PH:i][PH::][PH:k][PH:r][PH:i][PH::][PH:s].
1 verb When something decreases or when you decrease it, it becomes less in quantity, size, or intensity.
Population growth is decreasing by 1.4% each year... V by amount
The number of independent firms decreased from 198 to 96... V from/to amount
Raw-steel production by the nation's mills decreased 2.1% last week... V amount
Since 1945 air forces have decreased in size... V in n
Gradually decrease the amount of vitamin C you are taking... V n
We've got stable labor, decreasing interest rates, low oil prices. V-ing
2 n-count A decrease in the quantity, size, or intensity of something is a reduction in it.
oft N in/of n
...a decrease in the number of young people out of work..., Bank base rates have fallen from 10 per cent to 6 per cent<endash>a decrease of 40 per cent.