Fixation

·noun The act of fixing, or the state of being fixed.

II. Fixation ·noun The act or process of ceasing to be fluid and becoming firm.

III. Fixation ·noun A state of resistance to evaporation or volatilization by heat;

— said of metals.

IV. Fixation ·noun The act of uniting chemically with a solid substance or in a solid form; reduction to a non-volatile condition;

— said of gaseous elements.