17-letter words containing s, i, n, u, m
- waianae mountains — a mountain range in W Oahu, Hawaii. Highest peak, Mount Kaala, 4025 feet (1228 meters).
- waist measurement — a measure of the circumference of the narrowest part of a person's waist
- wallowa mountains — a mountain range in NE Oregon. Highest peak, Sacajawea Peak, 9838 feet (2999 meters).
- wimshurst machine — a device for the production of electric charge by electrostatic induction, consisting of two oppositely rotating glass or mica disks carrying metal strips upon which charges are induced and subsequently removed by contact with metallic combs.
- women's institute — (in Britain and Commonwealth countries) a society for women interested in the problems of the home and in engaging in social activities
- yellow journalism — a color like that of egg yolk, ripe lemons, etc.; the primary color between green and orange in the visible spectrum, an effect of light with a wavelength between 570 and 590 nm.