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  • English Word Ure Definition To use; to exercise; to inure; to accustom by practice.
  • English Word Urea Definition A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.
  • English Word Ureal Definition Of or pertaining to urea; containing, or consisting of, urea; as, ureal deposits.
  • English Word Ureameter Definition An apparatus for the determination of the amount of urea in urine, in which the nitrogen evolved by the action of certain reagents, on a given volume of urine, is collected and measured, and the urea calculated accordingly.
  • English Word Urechitin Definition A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.
  • English Word Urechitoxin Definition A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.
  • English Word Uredo Definition One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement.
  • English Word Uredo Definition Nettle rash. See Urticaria.
  • English Word Uredospore Definition The thin-walled summer spore which is produced during the so-called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heter/cious, etc.
  • English Word Ureide Definition Any one of the many complex derivatives of urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine, et., are ureides.
  • English Word Ureter Definition The duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney.
  • English Word Ureteritis Definition Inflammation of the ureter.
  • English Word Urethane Definition A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.
  • English Word Urethra Definition The canal by which the urine is conducted from the bladder and discharged.
  • English Word Urethral Definition Of or pertaining to the urethra.
  • English Word Urethritis Definition Inflammation of the urethra.
  • English Word Urethroplasty Definition An operation for the repair of an injury or a defect in the walls of the urethra.
  • English Word Urethroscope Definition An instrument for viewing the interior of the urethra.
  • English Word Urethroscopy Definition Examination of the urethra by means of the urethroscope.
  • English Word Urethrotome Definition An instrument for cutting a urethral stricture.
  • English Word Urethrotomy Definition An incision of the urethra, esp. incision for relief of urethral stricture.
  • English Word Uretic Definition Of or pertaining to the urine; diuretic; urinary; as, uretic medicine.
  • English Word Urge Definition To press; to push; to drive; to impel; to force onward.
  • English Word Urge Definition To press the mind or will of; to ply with motives, arguments, persuasion, or importunity.
  • English Word Urge Definition To provoke; to exasperate.
  • English Word Urge Definition To press hard upon; to follow closely
  • English Word Urge Definition To present in an urgent manner; to press upon attention; to insist upon; as, to urge an argument; to urge the necessity of a case.
  • English Word Urge Definition To treat with forcible means; to take severe or violent measures with; as, to urge an ore with intense heat.
  • English Word Urge Definition To press onward or forward.
  • English Word Urge Definition To be pressing in argument; to insist; to persist.