Fixation \Fix*a"tion\ (f[i^]ks*[=a]"sh[u^]n), n. [Cf. F. fixation.]

1. The act of fixing, or the state of being fixed.

An unalterable fixation of resolution. --Killingbeck.

To light, created in the first day, God gave no proper place or fixation. --Sir W. Raleigh.

Marked stiffness or absolute fixation of a joint. --Quain.

A fixation and confinement of thought to a few objects. --Watts.

2. The act of uniting chemically with a solid substance or in a solid form; reduction to a non-volatile condition; -- said of gaseous elements.

3. The act or process of ceasing to be fluid and becoming firm. --Glanvill.

4. A state of resistance to evaporation or volatilization by heat; -- said of metals. --Bacon.

Source: Webster's Revised Unabridged Dictionary (1913)