12-letter words containing f, r, i, s, o, n
- jeffersonite — (mineralogy) A variety of pyroxene of olive-green color passing into brown. It contains zinc.
- king-of-arms — a title of certain of the principal heralds of England and certain other kingdoms empowered by their sovereigns to grant armorial bearings.
- korsakoffian — relating to or suffering from Korsakoff's psychosis
- leif ericson — Leif [leef;; Icelandic leyv] /lif;; Icelandic leɪv/ (Show IPA), flourished a.d. c1000, Norse mariner: according to Icelandic saga, discoverer of Vinland (son of Eric the Red).
- loriciferans — Plural form of loriciferan.
- luminiferous — producing light: the luminiferous properties of a gas.
- mifepristone — an antigestational drug, C 29 H 35 NO 2 , that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
- misconfigure — Configure (a system or part of it) incorrectly.
- misformation — the act or process of forming or the state of being formed: the formation of ice.
- misfortunate — Having suffered misfortune; pitiable.
- misinforming — Present participle of misinform.
- neurofibrils — Plural form of neurofibril.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- nonformalism — Absence of, or a belief system that is the opposite of, formalism.
- nonfrivolous — not frivolous
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- offscourings — Often, offscourings. something scoured off; filth; refuse.
- olfactronics — the measurement and analysis of smells through instruments
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.
- overfineness — excessive fineness
- overfinished — having an excessively polished finish
- overstaffing — the provision of an excessive number of staff for (a factory, hotel, etc)
- passionfruit — any edible fruit of a passionflower, as the maypop.
- perforations — the holes punched that allow individual stamps, coupons, etc to be easily separated
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- personifying — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- prison fever — typhus.
- pro-feminism — the doctrine advocating social, political, and all other rights of women equal to those of men.
- professional — following an occupation as a means of livelihood or for gain: a professional builder.
- prolificness — producing offspring, young, fruit, etc., abundantly; highly fruitful: a prolific pear tree.
- rainbow fish — guppy.
- resiniferous — yielding resin.
- rustproofing — the process of making metal rustproof.
- saffron rice — a dish made from white rice and flavoured with the spice saffron
- 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.
- 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.
- seminiferous — Anatomy. conveying or containing semen.
- serpentiform — shaped like a snake.
- shingle roof — a roof covered with thin rectangular tiles, esp made of wood, that are laid with others in overlapping rows
- significator — a planet deemed significant in astrology
- 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
- sorbefacient — inducing absorption
- sportfishing — fishing with a rod and reel for sport, especially for saltwater sport fish from a motorboat.