In dry, cold conditions, the ice vaporized without melting first, a process called sublimation.

This really neat trick is called sublimation, and not many substances can do it at normal temperatures.

Freud also believed that the libido developed in individuals by changing its object, a process called sublimation.

Also, the process by which a solid changes directly into its vapor without passing through the liquid state is called sublimation.

When they get closer to the Sun, the growing heat turns the ice straight into a gas in a process called sublimation.

The ice goes directly into a gas (this process is called sublimation) and leaves behind an empty space.

When a solid becomes a gas, it is called sublimation.

Freeze drying is accomplished by a process called sublimation.

After that, the water vapor will still escape from the ice by a process called sublimation.

Water vapor can also be produced directly from ice; this is called sublimation.