Diminution

Blindness is responsible for a staggering toll of poor health, suffering, and loss of dignity and diminution in the quality of lives of people worldwide.

The new emission standards have produced a measurable diminution in air pollution.

Another part, feeling a diminution of confidence in him, still hope that the general tenor of his conduct will be essentially right.

Cold is usually shapeless, I suppose, extending over large spaces equally, or with gradual diminution.

Scenic illusions such as those caused by the haze, or the apparent diminution of scale where everything was enormous, intrigued Dutton.