A burning house collapsed as he watched, the fierce heat of the internal furnace crumbling age-hardened mortar, loosening the aged stone.

Furbetrance huffed and puffed a dozen deep breaths until his internal furnace was roaring and white hot.

Jamie's internal furnace had resumed its operations, and his bare legs were warm and hard against mine.

Dallas had the same sort of internal furnace, because he seldom felt the cold either.

Its laser vision protects it from aerial attack, and its internal furnace can disintegrate oncoming rockets.

He could see it from here, for it glowed a dull red now from its internal furnaces.

An ancient stone castle can be guarded by clanking mechanical beasts that are powered by an internal furnace.

How much fuel does a gold-crowned kinglet, weighing about a fifth of an ounce, need to keep its small internal furnace stoked so that it can survive 30-below nights?

Unlike other mammals, naked mole rats do not have an internal furnace to maintain a stable body temperature.

But these actors also convey the sense of an internal furnace of pain and anxiety that gives a fevered glow to such minutiae.