15-letter words containing l, a, r, e, d, o
- unleaded petrol — petrol containing a reduced amount of tetraethyl lead
- unrecommendable — not able to be recommended, supported, or endorsed
- unskilled labor — work that requires practically no training or experience for its adequate or competent performance.
- upwardly mobile — See under vertical mobility (def 1).
- villeda morales — Ramón [rah-mawn] /rɑˈmɔn/ (Show IPA), 1909?–71, Honduran diplomat and statesman: president 1957–63.
- völkerwanderung — the migration of peoples, esp of Germanic and Slavic peoples into S and W Europe from 2nd to 11th centuries
- volta river dam — a hydroelectric dam on the Volta river
- voltage divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
- waterfall model — (programming) A software life-cycle or product life-cycle model, described by W. W. Royce in 1970, in which development is supposed to proceed linearly through the phases of requirements analysis, design, implementation, testing (validation), integration and maintenance. The Waterfall Model is considered old-fashioned or simplistic by proponents of object-oriented design which often uses the spiral model instead. Earlier phases are sometimes called "upstream" and later ones "downstream". Compare: iterative model.
- waterford glass — fine cut or gilded glass made in Waterford, Ireland, having a slight blue cast due to the presence of cobalt.
- well-elaborated — worked out with great care and nicety of detail; executed with great minuteness: elaborate preparations; elaborate care. Synonyms: perfected, painstaking. Antonyms: simple.
- well-formulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- wheelchairbound — Confined to a wheelchair.
- wilderness road — a 300-mile (500-km) route from eastern Virginia through the Cumberland Gap into Kentucky, explored by Daniel Boone in 1769 and marked as a trail by him and other pioneers in 1775: a major route for early settlers moving west.
- winter holidays — a period of rest from work or studies taken in winter
- world-wide wait — (humour) A pejorative expansion of WWW reflecting on the slowness of some network connections and sites.
- wreathed column — a column having a twisted or spiral form.
- yellow lead ore — wulfenite.
- yellow mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.
- yorkshire dales — the valleys of the rivers flowing from the Pennines in W Yorkshire: chiefly Ribblesdale, Swaledale, Nidderdale, Wharfedale, and Wensleydale; tourist area