The word you are looking for is "solidify."
Soluble.
Solid
unsolid means something that can be compressed. but the correct word for it is not solid.
What sentence
The word structure means to build by adding on. It can be a physical building, a structure being built, or used in language, as in a sentence has no structure.
Knowing the structure of a word means how it origins. It makes its meaning very easy to understand.
The structure of solid iodine is orthorhombic, which means its unit cell has three unequal axes perpendicular to each other. The crystals of solid iodine have a layered structure held together by weak van der Waals forces.
Solid Structure because a Solid Structure is Solid all the way through and Shell structures are a little bit easier to destory. JAB<3
It means that an animal or species adapt physically to the enviorment.
melting
Liquidation or melting.