17-letter words containing m, u, s, o
- vacuum aspiration — menstrual extraction.
- waianae mountains — a mountain range in W Oahu, Hawaii. Highest peak, Mount Kaala, 4025 feet (1228 meters).
- wallowa mountains — a mountain range in NE Oregon. Highest peak, Sacajawea Peak, 9838 feet (2999 meters).
- welshman's button — an angler's name for a species of caddis fly, Sericostoma personatum
- weston-super-mare — a town and resort in SW England, in North Somerset unitary authority, Somerset, on the Bristol Channel. Pop: 78 044 (2001)
- 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.