Words similar to narrowing

Example sentences for: narrowing

How can you use “narrowing” in a sentence? Here are some example sentences to help you improve your vocabulary:

A further problem is that the wealth of knowledge accumulated after decades of biological research has resulted in a considerable narrowing of research fields.
The leather eye-patches sewn to the sides of the halter ( blinders in America and blinkers in England) keep a horse from shying by narrowing vision to the road directly ahead, the sense implied when we say that someone does something with blinders on or has a blinkered viewpoint.
And if I do find a little piece of the answer--noting a clue or narrowing down the list of possible perpetrators--I am pleased with myself.
Right or left, we delighted in the narrowing of neckties, the demise of disco, the restyling of the Camaro, the extinction of the fern bar.
, what is “multi-coloured chewing gum” under gumballs ?) and in narrowing the usage of lech/letch after/for/over/on to Britain.