- ur-
-
I. combining form
or uro-
Etymology: New Latin, from Greek our-, ouro-, from ouron urine, from ourein to urinate — more at urine
1. urine <uric> 2. urinary tract <urology> 3. urinary and <urogenital> 4. urea <uracil> II. combining form or uro- Etymology: New Latin, from Greek our-, ouro-, from oura tail — more at ass tail <uropod> III. prefix Usage: often capitalized Etymology: German, from Old High German ir-, ur- thoroughly (perfective prefix) — more at abide 1. original ; primitive <ur-form> 2. original version of <urtext> 3. prototypical ; arch- <ur-anticommunist>
New Collegiate Dictionary. 2001.