12-letter words containing f, a, n, i, o
- rainbow fish — guppy.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- rainbow roof — a gable roof in the form of a broad Gothic arch, with gently sloping convex surfaces.
- ramification — the act or process of ramifying.
- ratification — the act of ratifying; confirmation; sanction.
- reflationary — economy: relating to reflation
- reformatting — the shape and size of a book as determined by the number of times the original sheet has been folded to form the leaves. Compare duodecimo, folio (def 2), octavo, quarto.
- refoundation — an act of refounding
- roofing nail — a short nail for nailing asphalt shingles or the like, having a broad head.
- saffron rice — a dish made from white rice and flavoured with the spice saffron
- salification — to form into a salt, as by chemical combination.
- 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.
- satisfaction — an act of satisfying; fulfillment; gratification.
- self-loading — noting or pertaining to an automatic or semiautomatic firearm.
- semifloating — noting or pertaining to a driving axle of an automobile or the like, the inner end of which is carried by the differential gear and the outer end of which is keyed to a wheel supported by the axle housing.
- shaving foam — lather used for shaving
- significator — a planet deemed significant in astrology
- sinification — to Sinicize.
- sir sandford — Mount, a mountain in SE British Columbia, Canada, in the Selkirk Mountains. 11,590 feet (3533 meters).
- slumpflation — a situation in which economic depression is combined with increasing inflation
- 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
- soft landing — space vehicle
- somnifacient — causing or inducing sleep.
- sorbefacient — inducing absorption
- south-facing — facing towards the south
- spanish foot — a carved pyramidal foot having fluted, concave sides usually ending in a scroll at the bottom.
- spiflication — rough treatment
- spongillafly — spongefly.
- stand in for — to substitute for
- stand-offish — If you say that someone is stand-offish, you mean that they behave in a formal and rather unfriendly way.
- stanniferous — containing tin; tin-bearing
- stupefaction — the state of being stupefied; stupor.
- 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.
- titaniferous — containing or yielding titanium.
- tonic sol-fa — a system of singing characterized by emphasis upon tonality or key relationship, in which tones are indicated by the initial letters of the syllables of the sol-fa system rather than by conventional staff notation.
- top grafting — grafting in the top, as of a tree, in order to replace existing branches with those of a more desired variety or form.
- torrefaction — to subject to fire or intense heat; parch, roast, or scorch.
- traffic cone — conical road markers
- 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.
- trifurcation — to divide into three forks or branches.
- trinacriform — three-pronged