12-letter words containing f, o, r
- 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
- labour force — The labour force consists of all the people who are able to work in a country or area, or all the people who work for a particular company.
- lachrymiform — Shaped like a teardrop.
- lamella roof — a vaulted roof composed of lamellae.
- laminar flow — the flow of a viscous fluid in which particles of the fluid move in parallel layers, each of which has a constant velocity but is in motion relative to its neighboring layers.
- large-format — of or relating to a camera with an image area of 5 inches by 4 inches or more
- laticiferous — bearing or containing latex.
- law of areas — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- leaf through — one of the expanded, usually green organs borne by the stem of a plant.
- leapfroggers — Plural form of leapfrogger.
- leapfrogging — Present participle of leapfrog.
- 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).
- leopard frog — a common North American green frog, Rana pipiens, having white-edged, dark oval spots on its back.
- life history — the series of living phenomena exhibited by an organism in the course of its development from inception to death.
- life support — equipment to sustain a patient's life
- life-support — of or relating to equipment or measures that sustain or artificially substitute for essential body functions, as breathing or disposal of body wastes: Without life-support equipment, the patient might die.
- ligulifloral — having strap-shaped flowers
- line of fire — the straight horizontal line from the muzzle of a weapon in the direction of the axis of the bore, just prior to firing.
- line officer — a military or naval officer serving with combatant units or warships, as distinguished from a staff officer, supply officer, etc.
- live-forever — a widely cultivated succulent plant, Sedum telephium, of the stonecrop family, having fleshy, coarsely toothed leaves and flat clusters of purplish flowers.
- living proof — sb whose existence is evidence of sth
- loan officer — a bank employee who helps would-be borrowers get a loan
- lock forward — either of two players who make up the second line of the scrum and apply weight to the forwards in the front line
- lofting iron — a club whose head has a sloped face, for lofting the ball.
- logical form — the syntactic structure that may be shared by different expressions as abstracted from their content and articulated by the logical constants of a particular logical system, esp the structure of an argument by virtue of which it can be shown to be formally valid. Thus John is tall and thin, so John is tall has the same logical form as London is large and dirty, so London is large, namely P & Q, so P
- look out for — to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
- looked-after — (of children) brought up by the state in institutions because their parents are dead or not able to care for them properly
- loosestrifes — Plural form of loosestrife.
- loriciferans — Plural form of loriciferan.
- lovecraftian — referring to or reminiscent of the work of the American fantasy and horror fiction author H.P. Lovecraft (1870–1937)
- lower fungus — any of various fungi that do not produce well-organized fruiting bodies and primarily reproduce asexually, as the chytrids.
- lug foresail — a gaff foresail having no boom or sometimes a partial boom.
- lumbriciform — resembling a lumbricus; wormlike
- luminiferous — producing light: the luminiferous properties of a gas.
- macrofossils — Plural form of macrofossil.
- malformation — faulty or anomalous formation or structure, especially in a living body: malformation of the teeth.
- man of straw — straw man.
- mansard-roof — Also called mansard roof. a hip roof, each face of which has a steeper lower part and a shallower upper part. Compare French roof.
- mark out for — to select for or note as selected for
- mary of teck — Mary (def 4).
- memory farts — (jargon, humour) The flatulent sounds that some MS-DOS box BIOSes (most notably AMI's) make when checking memory at boot time.
- microfibrils — Plural form of microfibril.
- microfibrous — Composed of microscopic fibres.
- microfilaria — the embryonic larva of the nematode parasite Filaria or of related genera, especially of those species that cause heartworm in dogs and elephantiasis in humans.
- microfilming — Present participle of microfilm.
- microfinance — (finance) Finance that is provided to unemployed or low-income people or groups.
- microfluidic — Of, pertaining to, or using microfluidics.
- microforceps — (surgery) A very small forceps.
- microfossils — a fossil so small that it can be studied and identified only with a microscope.