D defs.my
Entry 4 senses Webster, 1913

Fixation

/(fĭks*ā"shŭn)/ · Fix·a·tion · IPA /fɪksˈeɪʃən/
01 n. The act of fixing, or the state of being fixed.
  1. 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. 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. 3.
    The act or process of ceasing to be fluid and becoming firm.
  4. 4.
    A state of resistance to evaporation or volatilization by heat; -- said of metals.