the GNU version of the Collaborative International Dictionary of English
n. Act of solidifying, or state of being solidified.
The Century Dictionary and Cyclopedia
n. The act or process of making solid; specifically, in physics, the passage of a body from a liquid or gaseous to a solid state. It is accompanied by evolution of heat without a decrease of temperature, and by change of volume.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the process of becoming hard or solid by cooling or drying or crystallization
Word Usage
"Because granite and granodiorite form beneath the Earth's surface, their solidification is a relatively slow process."