However, camphor tends to evaporate over time, leaving a potentially unstable mixture.

Though Maxwell granted memory unusual healing power, he distrusted it as another form of fiction, an unstable mixture of truth and invention.

A unstable mixture of shock, confusion, and anger boiled within him.

The Romulan Senate was in session, which meant at the best of times an unstable mixture of stoic calm and warrior ferocity.

It was an unstable mixture.

The ICU's ideology was an unstable mixture, and the movement developed highly unevenly.

This unstable mixture poses a severe safety hazard, and is forbidden for use in model aircraft fuels.

For us, the trip was an unstable mixture of delight in the past and dismay at the present.

The cement that Halliburton used was an unstable mixture, and eventually caused hydrocarbons to leak into the well, eventually causing the explosion that started the crisis.

He'd always been an unstable mixture of cynicism and naivete.