18-letter words containing u, s, r, d
- tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
- true to one's word — If you are true to your word or as good as your word, you do what you say you will do.
- tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
- turk's-head cactus — a cactus, Melocactus communis, of Jamaica, having needlelike spines and a cylindrical body with a tawny-red, fezlike terminal part bearing red flowers.
- turn one's hand to — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- ultrasound scanner — a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus
- under (one's) seal — in a document authenticated by one's seal
- under one's breath — the air inhaled and exhaled in respiration.
- under the aegis of — guided or protected by
- under-compensation — to compensate or pay less than is fair, customary, or expected.
- under-registration — the act of registering.
- united arab states — a former (1958–61) federation of the United Arab Republic (Egypt and Syria) and Yemen.
- united states army — the permanent or regular military land force of the United States, under the authority of the Department of Defense since 1947. Abbreviation: USA.
- universal debugger — (tool, parallel) (udb) KSR's interactive source level debugger for serial and parallel programs written in KSR, Fortran, KSR C and KSR1 assembly language. Udb is a source level debugger for testing and debugging serial and parallel programs; it is compatible with GDB and dbx. The user can direct udb either by typing commands or graphically through an X-based window interface; the latter provides simultaneous display of source code, I/O and instructions. For parallel programs, operations can be carried out per-thread.
- university student — a student enrolled in a university
- upper middle class — wealthy, highly-educated people
- ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
- urban homesteading — homesteading (def 2).
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- west-southwestward — moving, bearing, facing, or situated toward the west-southwest.
- white man's burden — the alleged duty of white colonizers to care for nonwhite indigenous subjects in their colonial possessions.
- wildlife sanctuary — an area where wild animals and plants are protected
- wood-burning stove — cooker: fueled by wood
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- work-study student — a student who is permitted to work while studying, and use the money earned to pay for their studies
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust