12-letter words containing o, a, k, m, s
- skeleton map — a map showing only basic details of a land, place, etc
- smart cookie — intelligent or sharp-witted person
- smoke signal — If someone such as a politician or businessman sends out smoke signals, they give an indication of their views and intentions. This indication is often not clear and needs to be worked out.
- smoking area — a designated area in which smoking is permitted
- smoking lamp — formerly, a lamp aboard ship for lighting pipes, now used figuratively to indicate when smoking is or is not allowed: The smoking lamp is lit.
- smoky quartz — a smoky-yellow to dark brown or black variety of quartz, used as a gem.
- smooth snake — any of several slender nonvenomous colubrid snakes of the European genus Coronella, esp C. austriaca, having very smooth scales and a reddish-brown coloration
- soybean milk — a milk substitute made of soy flour and water, used especially in the making of tofu.
- stakhanovism — a method for increasing production by rewarding individual initiative, developed in the Soviet Union in 1935.
- stock market — a particular market where stocks and bonds are traded; stock exchange.
- tommy atkins — any private of the British army.
- yamoussoukro — a republic in W Africa: formerly part of French West Africa; gained independence 1960. 127,520 sq. mi. (330,275 sq. km). Capital: Abidjan.
- yukawa meson — a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.