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13-letter words containing r, o, t, f, l

  • leapfrog test — a diagnostic technique using arithmetic or logical operations in a routine to manage the capacity of storage media, transfer data, and check the results.
  • lethal factor — a gene that under certain conditions causes the death of an organism.
  • life-or-death — life-and-death.
  • lobster shift — Also called lobster trick. dogwatch (def 2).
  • lord of hosts — Jehovah; God.
  • lorentz force — the force on a charged particle moving through a region containing both electric and magnetic fields.
  • lose track of — to fail to follow the passage, course, or progress of
  • malformations — Plural form of malformation.
  • marsh trefoil — buck bean.
  • matrifocality — The state or condition of being matrifocal; matriarchy.
  • matter of law — an issue or matter to be determined according to the relevant principles of law.
  • metalliferous — containing or yielding metal.
  • microfelsitic — (of a rock) showing evidence of crystallization having begun, but not yet having formed any crystals
  • microfilament — a minute, narrow tubelike cell structure composed of a protein similar to actin, occurring singly and in bundles, involved in cytoplasmic movement and changes in cell shape.
  • mole fraction — the ratio of the number of moles of a given component of a mixture to the total number of moles of all the components.
  • mother of all — a female parent.
  • multifactoral — Involving multiple factors.
  • multiplatform — Compatible with or involving more than one type of computer or operating system.
  • myelofibrotic — of, relating to or affected by myelofibrosis
  • myofibroblast — (cytology) A cell that is intermediate between a fibroblast and smooth muscle.
  • neurofilament — (anatomy) A neurofibril.
  • nonartificial — Not artificial.
  • noncolourfast — (of a fabric) having a colour that tends to fade when washed or worn
  • nonfilterable — incapable of being filtered
  • nonfraudulent — Not fraudulent.
  • nonprofitable — Not profitable; not making profit.
  • nonreflecting — Not reflecting.
  • nonreflective — Not reflective.
  • of all others — above all others
  • off the rails — into or in a state of dysfunction or disorder
  • old favourite — If you refer to something as an old favourite, you mean that it has been in existence for a long time and everyone knows it or likes it.
  • olfactometers — Plural form of olfactometer.
  • olfactometric — Of or pertaining to olfactometry.
  • on reflection — second thoughts
  • 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.
  • orbitofrontal — Located in the frontal lobes above the orbits of the eyes.
  • out of kilter — If one thing is out of kilter with another, the first thing does not agree with or fit in with the second.
  • overfertilize — to apply too much fertilizer to
  • 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).
  • owl butterfly — any of several South American nymphalid butterflies of the genus Caligo, especially C. eurylochus, having a spot like an owl's eye on each hind wing.
  • parquet floor — flooring made of inlaid wood
  • patrifocality — the system or fact of being patrifocal
  • perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
  • petroliferous — containing or yielding petroleum
  • pilot officer — A pilot officer is an officer of low rank in the British Royal Air Force.
  • 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
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