The act, process or product of reducing the volume of a liquid, as by evaporation.
The proportion of a substance in a whole.
The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.
The direction of attention to a specific object.
A field or course of study on which one focuses, especially as a student in a college or university.
The amount of solute in a solution measured in suitable units (e.g., parts per million (ppm))
The matching game pelmanism.
The action of forming a puddle.
The act of lining a canal with puddle to make it watertight.
The first true industrial process to produce steel from pig iron.
A group of mallards (ducks).
A behaviour in which animals like butterflies seek out moist substances to obtain nutrients.
The process of working clay, loam, pulverized ore, etc., with water, to render it compact, or impervious to liquids.