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12-letter words containing f, r, i, o

  • scarificator — a person who scarifies.
  • scorpion fly — any of several harmless insects of the order Mecoptera, the male of certain species having a reproductive structure that resembles the sting of a scorpion.
  • scorpionfish — any of several tropical and temperate marine scorpaenid fishes, especially members of the genus Scorpaena, many having venomous dorsal spines.
  • seleniferous — containing or yielding selenium.
  • self-proving — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
  • self-worship — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
  • seminiferous — Anatomy. conveying or containing semen.
  • serous fluid — any of various clear, watery fluids in the body.
  • serpentiform — shaped like a snake.
  • shift worker — a person who does shiftwork
  • shingle roof — a roof covered with thin rectangular tiles, esp made of wood, that are laid with others in overlapping rows
  • short shrift — a brief time for confession or absolution given to a condemned prisoner before his or her execution.
  • significator — a planet deemed significant in astrology
  • siliciferous — containing, combined with, or producing silica.
  • silk factory — plant where silk fabric is produced
  • silver frost — glaze (def 17).
  • sir sandford — Mount, a mountain in SE British Columbia, Canada, in the Selkirk Mountains. 11,590 feet (3533 meters).
  • sixth former — student: 16-18
  • sixty-fourmo — a book size (about 2 × 3 inches; 5 × 7 cm) determined by printing on sheets folded to form 64 leaves or 128 pages.
  • sixty-fourth — next after the sixty-third; being the ordinal number for 64.
  • slipper foot — an elongated pad foot.
  • sniff around — dog: try to pick up scent
  • soboliferous — bearing or producing soboles
  • sofa surfing — (of a homeless person) the practice of staying temporarily with various friends and relatives while attempting to find permanent accommodation
  • soil profile — a vertical succession of horizons, commonly lettered A, B, C (beginning at the surface), that have been subjected to soil-forming processes, chiefly leaching and oxidation.
  • solid figure — a figure that has three dimensions
  • solway firth — an arm of the Irish Sea between SW Scotland and NW England. 38 miles (61 km) long.
  • soporiferous — bringing sleep; soporific.
  • 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.
  • sportfishing — fishing with a rod and reel for sport, especially for saltwater sport fish from a motorboat.
  • sr flip-flop — (hardware)   (Or "RS flip-flop") A "set/reset" flip-flop in which activating the "S" input will switch it to one stable state and activating the "R" input will switch it to the other state. The outputs of a basic SR flip-flop change whenever its R or S inputs change appropriately. A clocked SR flip-flop has an extra clock input which enables or disables the other two inputs. When they are disabled the outputs remain constant. If we connect two clocked SR flip-flops so that the Q and /Q outputs of the first, "master" flip-flop drive the S and R inputs of the second, "slave" flip-flop, and we drive the slave's clock input with an inverted version of the master's clock, then we have an edge-triggered RS flip-flop. The external R and S inputs of this device are latched on one edge (transition) of the clock (e.g. the falling edge) and the outputs will only change on the next opposite (rising) edge. If both R and S inputs are active (when enabled), a race condition occurs and the outputs will be in an indeterminate state. A JK flip-flop avoids this possibility.
  • stalactiform — resembling or shaped like a stalactite.
  • stand in for — to substitute for
  • stanniferous — containing tin; tin-bearing
  • stelliferous — having or abounding with stars.
  • stick up for — to pierce or puncture with something pointed, as a pin, dagger, or spear; stab: to stick one's finger with a needle.
  • straight off — without a bend, angle, or curve; not curved; direct: a straight path.
  • stratiformis — occurring in a very extensive horizontal layer.
  • strike force — a military force armed and trained for attack.
  • strobiliform — shaped as a strobilus
  • 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
  • sudoriferous — bearing or secreting sweat.
  • suffruticose — woody at the base and herbaceous above.
  • 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.
  • terraforming — to alter the environment of (a celestial body) in order to make capable of supporting terrestrial life forms.
  • testificator — a person who witnesses
  • the big four — a small powerful group, as of banks, companies, etc, esp the four largest banks in Britain (Barclays, HSBC, Lloyds TSB, and NatWest)
  • thiosulfuric — of or derived from thiosulfuric acid.
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