This would mean that the atom, and indeed all matter, should rapidly collapse to a state of very high density.

The established order collapsed rapidly because of the weakness of the Austrian armies.

Pockets of explosive gas swelled, hollow balloons in the water, then rapidly collapsed back upon themselves.

In 2002, the stock value rapidly collapsed after it became known that the company's leaders were under investigation for falsifying balance sheets.

Amelia soon disappears: a sign, according to the Doctor, that the universe is collapsing rapidly.

While still at school Widgery had written for a short-lived national schools magazine, which rapidly collapsed.

With all of Ekrania in our control, opposition should collapse rapidly.

The ice bridge collapsed rapidly, turning into hundreds of icebergs.

Her marriage also collapsed rapidly, as she and Raymond split up only three months after the wedding.

It was rapidly collapsing under its own weight.