unmonopolize

unmonopolise

From un- +‎ monopolize.

unmonopolize (third-person singular simple present unmonopolizes, present participle unmonopolizing, simple past and past participle unmonopolized)

1. (transitive) To remove a monopoly of.
   • 1641 May, John Milton, Of Reformation Touching Church-Discipline in England: And the Cavvses that hitherto have Hindred it; republished as Will Taliaferro Hale, editor, Of Reformation Touching Church-Discipline in England (Yale Studies in English; LIV), New Haven, Conn.: Yale University Press, 1916, →OCLC, 2nd book, page 71:

     and unmonopolizing the rewards of learning and industry, from the greasie clutch of ignorance,

• “unmonopolize”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.