The direction of attention to a specific object.
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.
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 sense or ability of sight.
Something unreal or imaginary; a creation of fancy.
An ideal or a goal toward which one aspires.
Pre-recorded film or tape; footage.
Something seen; an object perceived visually.
Something imaginary one thinks one sees.
A religious or mystical experience of a supernatural appearance.
A person or thing of extraordinary beauty.
To imagine something as if it were to be true.
To present as in a vision.
To provide with a vision.