13-letter words containing o, f, s, t, r
- professoriate — a group of professors.
- quartziferous — consisting of or containing quartz: quartziferous rock.
- rabbit's foot — the foot of a rabbit, especially the left hind foot carried as a good-luck charm.
- ramifications — the act or process of ramifying.
- recomfortless — having no comfort; comfortless
- refashionment — the act or state of being refashioned
- reforestation — to replant trees on (land denuded by cutting or fire).
- reinfestation — the act of infesting; state of being infested.
- relief troops — soldiers sent to an area of conflict or a disaster area in order to provide aid or assistance there
- reptiliferous — (of rocks, etc) yielding fossilized reptiles
- retrofittings — acts of retrofitting
- rhesus factor — Rh factor.
- russification — Russianize (defs 1, 2).
- safety factor — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
- sawtooth roof — a roof composed of a series of small parallel roofs of triangular cross section, usually asymmetrical with the shorter slope glazed.
- scarfed joint — a lapped joint between two pieces of timber made by notching or grooving the ends and strapping, bolting, or gluing the two pieces together
- scarification — an act or instance of scarifying.
- scimitar foot — any short leg or foot, as to a pedestal table, having the form of an arc tangent to the floor plane.
- scorification — an assaying process whereby gold or silver is separated from ore by fusion with lead.
- scout uniform — the uniform worn by the Scouts
- self-creation — the act of producing or causing to exist; the act of creating; engendering.
- self-ignorant — lacking in knowledge or training; unlearned: an ignorant man.
- self-oriented — the Orient, the countries of Asia, especially East Asia. (formerly) the countries to the E of the Mediterranean.
- self-portrait — a portrait of oneself done by oneself.
- shaft encoder — A shaft encoder is a sensor for measuring how fast a shaft rotates.
- sheriff court — (in Scotland) a court having jurisdiction to try summarily or on indictment all but the most serious crimes and to deal with most civil actions
- short-staffed — A company or place that is short-staffed does not have enough people working there.
- significatory — serving to signify
- simplificator — a person who simplifies matters
- skin friction — the friction acting on a solid body when it is moving through a fluid
- slatted floor — a floor made with slats of wood so that water can drain away
- small fortune — a large sum of money
- soft currency — econ: fluctuating value
- soft shoulder — the unpaved edge of a road.
- south african — of southern Africa.
- southern fish — the constellation Piscis Austrinus.
- spotted fever — any of several fevers characterized by spots on the skin, especially as in cerebrospinal meningitis or typhus fever.
- staff officer — a commissioned officer who is a member of a staff.
- staffordshire — a county in central England. 1154 sq. mi. (2715 sq. km). County seat: Stafford.
- staghorn fern — any of several epiphytic Old World ferns of the genus Platycerium, having broad, often antlerlike leaves and cultivated as a houseplant.
- staminiferous — bearing or having a stamen or stamens.
- star of david — Judaism: six-pointed star
- start of text — (character) (STX) Mnemonic for ASCII 2.
- stepford wife — a married woman who submits to her husband's will and is preoccupied by domestic concerns and her own personal appearance
- stereo effect — the spatial effect given to sound that is achieved by using two or more separate microphones to feed two or more loudspeakers through separate channels
- sternforemost — Nautical. with the stern, foremost.
- stick out for — If you stick out for something, you keep demanding it and do not accept anything different or less.
- stoloniferous — producing or bearing stolons.
- storax family — the plant family Styracaceae, characterized by trees and shrubs having simple, alternate leaves, clusters of bell-shaped white flowers, and fleshy or dry fruit, and including the silver bell, snowbell, and storax.
- straightforth — straight or directly forward