A heavy form moved around him in the dark.
A heavy, black form shot through the grass to his left, not five feet away.
A heavy form crashed down into him from above, and he fell sprawling in the snow.
The current fuel is deuterium, a heavy form of hydrogen.
Until his death in 1995, he suffered from a very heavy form of epillepsy.
He was always amused by the sight of Amy's heavy dark form before a computer console.
There are two different forms that the element hydrogen can take, heavy or light.
A heavy form hit Luis's shoulders and drove him down, slamming his head against the floor.
A scream rent the air and a heavy form leaped on the back of the car.
A cold, heavy form fell on him-more like a sack of ice than a body.