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Noun: mastery  mã-stu-ree
  1. Great skilfulness and knowledge of some subject or activity
    "a good mastery of French";
    - command, control
  2. Power to dominate or defeat
    "mastery of the seas";
    - domination, supremacy
  3. The act of mastering or subordinating someone
    - subordination

Derived forms: masteries

Type of: ascendance, ascendancy, ascendence, ascendency, control, dominance, domination, skilfulness [Brit, Cdn], skillfulness [N. Amer]

Encyclopedia: Mastery