18-letter words containing f, i, a, s, c
- stepping-off place — jumping-off place (def 2).
- street certificate — a certificate showing ownership of a specified number of shares of stock: endorsed by the owner and guaranteed by a broker, it may be traded without formal transfer on the books of the corporation issuing the stock.
- sub-classification — to arrange in subclasses.
- 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.
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- tale of two cities — a historical novel (1859) by Dickens.
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- 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
- writ of assistance — a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises.