Defn: 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.
URETHRA
U*re"thra, n. Etym: [L., fr. Gr. Urine.] (Anat.)
Defn: The canal by which the urine is conducted from the bladder and discharged.
URETHRAL
U*re"thral, a.
Defn: Of or pertaining to the urethra. Urethral fever (Med.), fever occurring as a consequence of operations upon the urethra.
URETHRITIS
U`re*thri"tis, n. Etym: [NL. See Urethra, and -itis.] (Med.)
Defn: Inflammation of the urethra.
URETHROPLASTY
U*re"thro*plas`ty, n. Etym: [Urethra + -plasty.] (Surg.)
Defn: An operation for the repair of an injury or a defect in the
walls of the urethra.
— U*re`thro*plas"tic, a.
URETHROSCOPE
U*re"thro*scope, n. Etym: [Urethra + -scope.] (Med.)