13-letter words containing s, u, f, o, c, a
- rhesus factor — Rh factor.
- russification — Russianize (defs 1, 2).
- sensate focus — a series of touching exercises designed to increase intimacy in a sexual relationship
- solar furnace — a furnace using sunlight concentrated by concave mirrors as the direct source of heat.
- south african — of southern Africa.
- suffocatingly — to kill by preventing the access of air to the blood through the lungs or analogous organs, as gills; strangle.
- sugar factory — a factory which refines sugar from organic sources into a form that can be used in cooking etc
- sulfonic acid — any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
- surface noise — extraneous noise caused by physical wear or a physical flaw on a phonograph record or in a pickup system, rather than by a flaw in the equipment.