ETYM Cf. French dilution.
Process of reducing the concentration of a solution by the addition of a solvent.
The extent of a dilution normally indicates the final volume of solution required. A fivefold dilution would mean the addition of sufficient solvent to make the final volume five times the original.
1. A diluted solution.
2. Weakening (reducing the concentration) by the addition of water or a thinner; SYN. diluting. + prikaži više

ETYM Cf. French raréfaction. Related to Rarefy.
1. The action or process of rarefying.
2. The quality or state of being rarefied.
3. A state or region of minimum pressure in a medium traversed by compressional waves (as sound waves).
4. A decrease in the density of something.