The matching game pelmanism.
The proportion of a substance in a whole.
The act, process or product of reducing the volume of a liquid, as by evaporation.
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 act of disuniting two or more things, or the condition of being separated.
Departure from active duty, while not necessarily leaving the service entirely.
An agreement legalizing such an arrangement.
An object that separates two spaces.
The act or condition of two or more people being separated from one another.
The place at which a division occurs.
An interval, gap or space that separates things or people.
The act or condition of a married couple living in separate homes while remaining legally married.