2.1 SOLUBILITY2.2 SUPERSATURATION, METASTABLE ZONE, AND INDUCTION TIME2.3 OIL, AMORPHOUS, AND CRYSTALLINE STATES2.4 POLYMORPHISM2.5 SOLVATE2.6 SOLID COMPOUND, SOLID SOLUTION, AND SOLID MIXTURE2.7 INCLUSION AND OCCLUSION2.8 ADSORPTION, HYGROSCOPICITY, AND DELIQUESCE2.9 CRYSTAL MORPHOLOGY2.10 PARTICAL SIZE DISTRIBUTION AND SURFACE AREA