15-letter words containing r, a, d, o, n
- under one's hat — a shaped covering for the head, usually with a crown and brim, especially for wear outdoors.
- under-education — to educate too little or poorly.
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- underestimation — to estimate at too low a value, rate, or the like.
- underpopulation — having a population lower than is normal or desirable.
- unearned income — income received from property, as interest, dividends, or the like.
- unextraordinary — beyond what is usual, ordinary, regular, or established: extraordinary costs.
- unindoctrinated — to instruct in a doctrine, principle, ideology, etc., especially to imbue with a specific partisan or biased belief or point of view.
- universal donor — a person with blood of group 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.
- untraditionally — in an untraditional fashion; not traditionally
- uranium dioxide — a black, crystalline compound, UO 2 , insoluble in water, used in nuclear fuel rods, in ceramics, and pigments.
- uropygial gland — a gland opening on the back at the base of the tail in most birds that secretes an oily fluid used by the bird in preening its feathers.
- vector addition — the process of finding one vector that is equivalent to the result of the successive application of two or more given vectors.
- victoria island — an island off the coast of N Canada, in the Arctic Ocean. 80,340 sq. mi. (208,081 sq. km).
- völkerwanderung — the migration of peoples, esp of Germanic and Slavic peoples into S and W Europe from 2nd to 11th centuries
- voronoi diagram — (mathematics, graphics) (Or "Voronoi tessellation", "Voronoi decomposition", "Dirichlet tessellation", After Georgy Feodosevich Voronoy) For a set S of points in a Euclidean space, the partition Vor(S) of the plane into the voronoi polygons associated with the members of S, where each polygon is defined by the set of points nearer to some given point in S than to any other point in S. The Voronoi diagram is the dual of the Delaunay triangulation of S.
- w.h. richardson — Henry Handel (Henrietta Richardson Robertson) 1870–1946, Australian novelist.
- waddesdon manor — a mansion near Aylesbury in Buckinghamshire: built (1880–89) in the French style for the Rothschild family: noted for its furnishings and collections of porcelain and paintings
- weatherboarding — an early type of board used as a siding for a building.
- weekend warrior — a reservist who attends weekend meetings of his or her unit in order to fulfill military obligations.
- 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.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- winter holidays — a period of rest from work or studies taken in winter
- with one accord — If a number of people do something with one accord, they do it together or at the same time, because they agree about what should be done.
- working drawing — an accurately measured and detailed drawing of a structure, machine, etc., or of any part of one, used as a guide to workers in constructing it.
- working holiday — trip combining vacation with job experience
- wraparound care — a childcare facility intended to help working parents, in which young children are looked after before and after school
- wreathed column — a column having a twisted or spiral form.
- wrongheadedness — The state of being wrongheaded.
- x-ray diagnosis — diagnosis by means of an X-ray
- 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.