20-letter words containing s, h, l, o, i, m
- saint john ambulance — an organization that provides first aid and first-aid training
- satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
- scottish nationalism — a political ideology advocating the independence of Scotland
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
- to give someone hell — If you say that someone gives you hell, you are emphasizing that they shout at you very angrily because of something you have done wrong.
- twiddle one's thumbs — to turn about or play with lightly or idly, especially with the fingers; twirl.
- webbing clothes moth — a small brown moth, Tineola biselliella, the larva of which feeds on woolens and spins a web when feeding.
- wilson cloud chamber — cloud chamber.
- with all one's might — If you do something with all your might, you do it using all your strength and energy.