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13-letter words containing o, f, a, l

  • one-room flat — a studio flat in which the bedroom, sitting-room and kitchen are all one-room
  • optical fiber — optical fibre
  • optical fibre — (communications)   (fibre optics, FO, US "fiber", light pipe) A plastic or glass (silicon dioxide) fibre no thicker than a human hair used to transmit information using infra-red or even visible light as the carrier (usually a laser). The light beam is an electromagnetic signal with a frequency in the range of 10^14 to 10^15 Hertz. Optical fibre is less susceptible to external noise than other transmission media, and is cheaper to make than copper wire, but it is much more difficult to connect. Optical fibres are difficult to tamper with (to monitor or inject data in the middle of a connection), making them appropriate for secure communications. The light beams do not escape from the medium because the material used provides total internal reflection. See also FDDI, Optical Carrier n, SONET.
  • optical flint — an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glass
  • orbitofrontal — Located in the frontal lobes above the orbits of the eyes.
  • orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
  • overamplified — amplified too much, causing distortion or discomfort, etc
  • overflow flag — overflow bit
  • overinflation — Economics. a persistent, substantial rise in the general level of prices related to an increase in the volume of money and resulting in the loss of value of currency (opposed to deflation).
  • overqualified — having more education, training, or experience than is required for a job or position.
  • pact of steel — a military alliance concluded between Nazi Germany and Fascist Italy on May 22, 1939, committing each to assist the other in the event of war with another power and pledging that neither would seek a separate peace or armistice.
  • palm off with — If you say that you are palmed off with a lie or an excuse, you are annoyed because you are told something in order to stop you asking any more questions.
  • palmification — the fertilization of date palms artificially
  • parquet floor — flooring made of inlaid wood
  • passionflower — any chiefly American climbing vine or shrub of the genus Passiflora, having showy flowers and a pulpy berry or fruit that in some species is edible.
  • patrifocality — the system or fact of being patrifocal
  • pavilion roof — a pyramidal hip roof.
  • personal foul — a foul called in certain games, as basketball or football, for illegal body contact or rough, unsportsmanlike play.
  • place of arms — an area in a fortress or a fortified town where troops could assemble for defense.
  • platform game — a type of computer game that is played by moving a figure on the screen through a series of obstacles and problems
  • platform shoe — a shoe with a platform.
  • platiniferous — platinum-bearing
  • play for time — a dramatic composition or piece; drama.
  • play the fool — behave in a silly way
  • plebification — the act of making popular or vulgar
  • point of sale — the store, dealer, or other retail outlet where an item is sold: from manufacturer to point-of-sale.
  • point-of-sale — the store, dealer, or other retail outlet where an item is sold: from manufacturer to point-of-sale.
  • pontificality — a priestly role or office
  • popular front — a coalition, usually temporary, of leftist and sometimes centrist political parties, formed against a common opponent, as fascism, and promoting social reform.
  • power failure — electricity outage
  • preformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
  • prefunctional — of or relating to a function or functions: functional difficulties in the administration.
  • press of sail — as much sail as the wind or other conditions will permit a ship to carry.
  • profitability — yielding profit; remunerative: a profitable deal.
  • proliferation — the growth or production of cells by multiplication of parts.
  • prolification — the production of offspring
  • proposal form — a form filled out by a person applying for insurance
  • quadrifoliate — (botany) Having four leaves or leaflets.
  • qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
  • qualificatory — That serves as qualification.
  • railroad flat — an apartment whose series of narrow rooms forms a more or less straight line.
  • rat claw foot — an elongated foot having the form of a thin claw grasping a ball.
  • rational form — a quotient of two polynomials with integral coefficients.
  • reflectograph — a type of mechanical instrument used for communication with spirits or the dead
  • reflex-action — Physiology. noting or pertaining to an involuntary response to a stimulus, the nerve impulse from a receptor being transmitted inward to a nerve center that in turn transmits it outward to an effector.
  • refocillation — the restoring of strength by refreshment or revivement
  • reformability — the extent to which something or someone is reformable; the capability or susceptibility to reform
  • reformulation — to formulate again.
  • regardless of — in spite of
  • reinforceable — capable of being reinforced
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