(medicine) The surgical specialty of medicine that treats disorders of the urinary tract and the urogenital system.

(anatomy) Either of the two long, narrow ducts that carry urine from the kidneys to the urinary bladder.

The process of the formation and growth of cities. / The change in a country or region when its population migrates from rural to urban areas.

(urban studies) An unplanned, disorganized growth of housing etc. on the edge of a city.

(idiomatic, humorous, euphemistic) to mock, make fun of something

(chemistry) an insoluble binary compound or uranium and nitrogen, (UN)ₙ, used as fuel rods in nuclear reactors

Alternative spelling of urbanize

(astronomy) A circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Little Dipper and, as part of it, the northern pole star Polaris.

(astronomy) A large circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Big Dipper and the stars Mizar, Dubhe, and Alkaid.

Someone who lives in a city or similar urban area. / One of a demographic class of young, socially-conscious, urban professionals.