Together they radically expanded the conventional definition of Indian art.

Such tests have also expanded the definition of a heart attack.

Editors reply that they are simply expanding the definition of news.

It's expanding the definition of friends & family to include anyone who might be left out.

The newspaper companies won the right to expand the definition of what constitutes a "paid" paper.

I agree with this response but feel it's important to expand the definition.

All my life I've been trying to expand the definition of normal.

But, they said, states should be able to expand the definition of "work activity" to include more job training, education and drug abuse treatment.

I accordingly believe that it would be better not to expand the definition.

Using this we can expand the definition of each constructible set.