15-letter words containing i, n, o, m, a
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- victor emmanuel — 1869–1947, king of Italy 1900–46.
- video on demand — (communications) (VoD) A planned system using video compression to supply programs to viewers when requested, via ISDN or cable.
- 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.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- white mountains — a mountain range in the US, chiefly in N New Hampshire: part of the Appalachians. Highest peak: Mount Washington, 1917 m (6288 ft)
- 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.