18-letter words containing s, c, u, r, f, i
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- 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.
- 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
- wildlife sanctuary — an area where wild animals and plants are protected