Classification

• anthropology / archaeology

the ordering of phenomena into groups or other classificatory schemes on the basis of shared attributes. Source: Anthromorphemics

• geology

1. The process of separating particles of various sizes, densities, and shapes by allowing them to settle in a fluid. Mitchell
2. Grading of particles too small to be screened in accordance with their size, shape, and density by control of their settling rate through a fluid medium (water, slurry, or air). Pryor, 3
3. The evaluation and segregation of trimmed sheet mica according to grades and qualities. Skow
4. In powder metallurgy, separation of a powder into fractions according to particle size. ASM, 1
   Source: Dictionary of Mining, Mineral, and Related Terms