12-letter words containing a, f, r, o
- informidable — (obsolete) Not formidable; not to be feared or dreaded.
- infraduction — (medicine) The turning downward of a part, especially of the eye.
- infrakingdom — (taxonomy) A taxonomic category sometimes inserted below subkingdom.
- infraorbital — (anatomy) Below the orbit (of the eye).
- interfemoral — situated between the thighs
- interfoliate — to interleave
- interfrontal — situated between the frontal bones
- iron sulfate — ferrous sulfate.
- irreformable — insusceptible to reforming influences; incorrigible.
- irreformably — in an irreformable manner
- jaculiferous — having dartlike spines.
- jaffa orange — a sweet, almost seedless variety of orange grown principally in Israel.
- jeffersonian — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- jugal furrow — (in certain insects) the crease, between the anal and jugal veins, along which the wing folds.
- juiz de fora — a city in SE Brazil, N of Rio de Janeiro.
- jury foreman — a member of a jury in a court of law who is chosen by the other members to act as spokesperson for the jury
- 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.
- leopard frog — a common North American green frog, Rana pipiens, having white-edged, dark oval spots on its back.
- ligulifloral — having strap-shaped flowers
- 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
- 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
- looked-after — (of children) brought up by the state in institutions because their parents are dead or not able to care for them properly
- 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)
- lug foresail — a gaff foresail having no boom or sometimes a partial boom.
- 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.
- 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.
- microfinance — (finance) Finance that is provided to unemployed or low-income people or groups.
- midafternoon — the part of the afternoon centering approximately on three o'clock; the period approximately halfway between noon and sunset.
- misformation — the act or process of forming or the state of being formed: the formation of ice.
- misfortunate — Having suffered misfortune; pitiable.
- modificatory — modifying.