12-letter words containing o, a, r, f, i, s
- petaliferous — bearing or having petals.
- professional — following an occupation as a means of livelihood or for gain: a professional builder.
- professorial — a teacher of the highest academic rank in a college or university, who has been awarded the title Professor in a particular branch of learning; a full professor: a professor of Spanish literature.
- rainbow fish — guppy.
- red goatfish — a goatfish, Mullus auratus.
- saffron rice — a dish made from white rice and flavoured with the spice saffron
- salutiferous — salutary.
- sanguiferous — conveying blood, as a blood vessel.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- satin-flower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- satisfactory — giving or affording satisfaction; fulfilling all demands or requirements: a satisfactory solution.
- savoir faire — knowledge of just what to do in any situation; tact.
- savoir-faire — knowledge of just what to do in any situation; tact.
- scarificator — a person who scarifies.
- significator — a planet deemed significant in astrology
- silk factory — plant where silk fabric is produced
- sir sandford — Mount, a mountain in SE British Columbia, Canada, in the Selkirk Mountains. 11,590 feet (3533 meters).
- sniff around — dog: try to pick up scent
- sofa surfing — (of a homeless person) the practice of staying temporarily with various friends and relatives while attempting to find permanent accommodation
- solway firth — an arm of the Irish Sea between SW Scotland and NW England. 38 miles (61 km) long.
- sorbefacient — inducing absorption
- south africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town.
- stalactiform — resembling or shaped like a stalactite.
- stand in for — to substitute for
- stanniferous — containing tin; tin-bearing
- straight off — without a bend, angle, or curve; not curved; direct: a straight path.
- stratiformis — occurring in a very extensive horizontal layer.
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- sugaring off — a sweet, crystalline substance, C 1 2 H 2 2 O 1 1 , obtained chiefly from the juice of the sugarcane and the sugar beet, and present in sorghum, maple sap, etc.: used extensively as an ingredient and flavoring of certain foods and as a fermenting agent in the manufacture of certain alcoholic beverages; sucrose. Compare beet sugar, cane sugar.
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- testificator — a person who witnesses
- titaniferous — containing or yielding titanium.
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- transforming — to change in form, appearance, or structure; metamorphose.
- transformism — the doctrine of gradual transformation of one species into another by descent with modification through many generations.
- transformist — an adherent of transformism.
- transmogrify — to change in appearance or form, especially strangely or grotesquely; transform.
- world's fair — a large international exposition with exhibitions of arts, crafts, industrial and agricultural products, scientific achievements, etc.