10-letter words containing o, s, i, f
- forinsecal — foreign
- formalised — Simple past tense and past participle of formalise.
- formalizes — Third-person singular simple present indicative form of formalize.
- formations — Plural form of formation.
- formatives — Plural form of formative.
- formicates — Third-person singular simple present indicative form of formicate.
- formulised — formulate.
- fornicates — Third-person singular simple present indicative form of fornicate.
- forsterite — the magnesium end member, Mg 2 SiO 4 , of the olivine group.
- forsythias — Plural form of forsythia.
- fort bliss — a military reservation and U.S. Army training center NE of El Paso in W Texas.
- fort boise — a fort formerly near Boise, in SW Idaho: an important post on the Oregon Trail.
- fort lewis — a military reservation in W central Washington State, SW of Tacoma.
- fort meigs — Fort. Fort Meigs.
- fort smith — a city in W Arkansas, on the Arkansas River.
- fortalices — Plural form of fortalice.
- fortissimo — (a direction) very loud.
- fortnights — Plural form of fortnight.
- fortransit — (language) Fortran Internal Translator. A subset of Fortran translated into IT on the IBM 650. It was in use in the late 1950s and early 1960s. Compilation took place in several steps (using punched cards as the only input/output media). FORTRANSIT was converted to IT Internal Translator which was converted into SOAP and thence to machine code. In the SOAP -> machine code step, the user had to include card decks for all the subroutines used in his FORTRANSIT program (including e.g. square root, sine, and even basic floating point routines).
- fortuities — Plural form of fortuity.
- fortuitism — the doctrine that evolutionary adaptations are the result of chance
- fortuitous — happening or produced by chance; accidental: a fortuitous encounter.
- fosfomycin — A broad-spectrum antibiotic, 3-methyloxiran-2-ylphosphonic acid, obtained from certain Streptomyces bacteria.
- fossicking — Present participle of fossick.
- fossil gum — any gum, found chiefly in the earth, that was yielded by a now fossilized tree.
- fossilised — Non-Oxford British standard spelling of fossilized.
- fossilized — Geology. to convert into a fossil; replace organic with mineral substances in the remains of an organism.
- fosterling — foster child.
- foundlings — Plural form of foundling.
- fourierism — the social system proposed by François Marie Charles Fourier, under which society was to be organized into phalanxes or associations, each large enough for all industrial and social requirements.
- foxe basin — an ocean passage in Nunavut Territory, Canada, connected with Hudson Bay by the Foxe Channel.
- framboesia — yaws.
- franchisor — Also, franchisor [fran-chahy-zer, fran-chuh-zawr] /ˈfræn tʃaɪ zər, ˌfræn tʃəˈzɔr/ (Show IPA). a person or company that grants a franchise.
- frightsome — Frightening; frightful; fearful; causing fear.
- frithsoken — (from Old English) a refuge; a sanctuary
- frithstool — (in Anglo-Saxon England) a seat in a church, placed near the altar, for persons who claimed the right of sanctuary.
- frog's-bit — an aquatic, floating plant, Hydrocharis morsus-ranae, of Eurasia, having thick, roundish, spongy leaves.
- frogfishes — Plural form of frogfish.
- frolicsome — merrily playful; full of fun.
- front list — a publisher's sales list of newly or recently published books, especially those of popular or ephemeral appeal.
- frontlines — Plural form of frontline.
- frost boil — frost heave.
- frost line — the maximum depth at which soil is frozen.
- frostbites — Plural form of frostbite.
- frostiness — The quality of being frosty.
- frothiness — The quality of being frothy.
- fructoside — a glycoside that yields fructose upon hydrolysis.
- fruit shop — a shop that sells a variety of edible fruits
- fucivorous — feeding on seaweed
- fuliginous — sooty; smoky: the fuliginous air hanging over an industrial city.