two-hundredth /ˈtuː ˈhʌn.dɹədθ/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number two hundred. noun1 •One of two hundred equal parts of a whole.On any given day, there are only about 500-600 prisoners in involuntary solitary confinement in Canada (of whom about 10 are women) — about one two-hundredth of the corresponding U.S. figure. — 2013 formstwo-hundredths