18-letter words containing f, u, c, s
- sub-saharan africa — the region of Africa to the south of the Sahara desert
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- sulfuric anhydride — sulfur trioxide.
- surface-to-surface — (of a missile, message, etc.) capable of traveling from a base on the surface of the earth to a target also on the surface.
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
- wildlife sanctuary — an area where wild animals and plants are protected