But when 'Uninvited' became a hit, it was a huge compositional breakthrough.

This harder, more versatile metal represented a huge technological breakthrough.

It looked like a huge breakthrough for the forces of campaign finance reform.

A huge breakthrough of this time was the separation of designs for men and women.

But any implication that they are a huge breakthrough must be viewed skeptically.

As though that was some sort of huge breakthrough.

That, at a time when apartheid was still official state policy, was a huge breakthrough.

After a few hours there was a huge breakthrough.

It was the simplest of enquiries and yet a huge breakthrough.

It's a huge breakthrough to be able to put a searchlight on a virus that killed 50 million people.