| urban sprawl |
spreading of the urban structure into adjoining suburbs and rural areas. |
| urchin |
a small child, esp. a poor, mischievous, or dirty boy. [2 definitions] |
| Urdu |
the official literary language of Pakistan, written with Persian-Arabic characters, and widely used by Muslims in India. |
| -ure |
act or process. [3 definitions] |
| urea |
a soluble nitrogen compound found in the urine of mammals, and synthesized from carbon dioxide and ammonia for use in fertilizers, animal feeds, and other products. |
| uremia |
a toxic condition resulting from the retaining in the blood of wastes that normally are evacuated in urine. |
| ureter |
a narrow duct through which urine moves from the kidney to the bladder or cloaca. |
| urethane |
any of several compounds derived from carbamic acid; ethyl carbamate. [2 definitions] |
| urethra |
a duct that carries urine outside the body from the bladder and that, in a male mammal, conducts the semen. |
| urethroscope |
a medical instrument for observing the interior of the urethra. |
| urge |
to push or drive forward or onward. [7 definitions] |
| urgency |
the state of being urgent; pressing necessity or importance. [2 definitions] |
| urgent |
requiring immediate action or attention; pressing. [3 definitions] |
| -urgy |
the science, technique, or process of working with (such) a material or tool. |
| -uria |
the presence of (such) a substance in the urine. |
| uric |
concerning, contained in, or derived from urine. |
| uric acid |
a white, odorless, crystalline substance, found in urine and the excreta of birds and reptiles. |
| urinal |
a wall plumbing fixture into which men may urinate, or a place containing such fixtures. [2 definitions] |
| urinalysis |
the chemical analysis of urine. |
| urinary |
of or relating to urine or the organs that produce and excrete it. |
| urinate |
to discharge urine. |