noun. 1  the sum of the physical, chemical, and biological changes that take place in sediments as they become consolidated into rocks, including compaction and cementation, but excluding weathering and metamorphic changes.( 2 chemistry) recrystallization of a solid to form large crystal grains from smaller ones.oun. 1  the sum of the physical, chemical, and biological changes that take place in sediments as they become consolidated into rocks, including compaction and cementation, but excluding weathering and metamorphic changes.
The definition of proportionate is having a proper relation between parts, such as size or ratio. An example of someone proportionate is a woman whose top half is sized in relation to her bottom half; proportionate size. Proportionate is defined as to even something out.
The definition of proportional is something that has a relatively correct relationship of size or that is appropriate.1  An example of something proportional is a woman's tiny feet to her short stature. An example of something proportional is a woman's tiny feet to her short stature. 2  An example of something proportional is the amount of pay a worker gets for the hours that they put in.