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13-letter words containing a, r, c, f, o

  • 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.
  • mortification — a feeling of humiliation or shame, as through some injury to one's pride or self-respect.
  • multifactoral — Involving multiple factors.
  • naval officer — member of navy staff
  • nectariferous — producing nectar.
  • neurofeedback — The presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.
  • nitrification — the act of nitrifying.
  • non-fiduciary — Law. a person to whom property or power is entrusted for the benefit of another.
  • nonartificial — Not artificial.
  • noncolourfast — (of a fabric) having a colour that tends to fade when washed or worn
  • norman french — Also called Norman. the French dialect of the Normans or of Normandy.
  • north african — the northern part of Africa, especially the region north of the tropical rain forest and comprised of Morocco, Algeria, Tunisia, Libya, and that part of Egypt west of the Gulf of Suez.
  • nuclear force — strong interaction
  • off the track — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
  • office bearer — a person who holds an office, as in a society, company, club, etc; official
  • olfactometers — Plural form of olfactometer.
  • olfactometric — Of or pertaining to olfactometry.
  • on sufferance — passive permission resulting from lack of interference; tolerance, especially of something wrong or illegal (usually preceded by on or by).
  • open fracture — compound fracture.
  • oprahfication — the perceived increase in people’s desire to discuss their emotions or personal problems, attributed to the influence of confessional television programmes
  • 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.
  • 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.
  • oxford accent — the accent associated with Oxford English
  • pacific grove — a city in W California, at S end of Monterey Bay.
  • parasoft corp — Distributors of the message passing system Express.
  • patrifocality — the system or fact of being patrifocal
  • peace officer — a civil officer appointed to preserve the public peace, as a sheriff or constable.
  • perfectionate — to perfect; to make perfect
  • petrification — the act or process of petrifying; the state of being petrified.
  • place of arms — an area in a fortress or a fortified town where troops could assemble for defense.
  • pontificators — the office or term of office of a pontiff.
  • pornification — the perceived pervasion of society in general or an aspect of it by the imagery, language, and attitudes associated with pornography
  • potomac fever — the determination or fervor to share in the power and prestige of the U.S. government in Washington, D.C., especially by being appointed or elected to a government position.
  • prefabricator — someone who or an organization that prefabricates
  • prefunctional — of or relating to a function or functions: functional difficulties in the administration.
  • prolification — the production of offspring
  • qualificatory — That serves as qualification.
  • ramifications — the act or process of ramifying.
  • rann of kutch — an extensive salt waste in W central India, and S Pakistan: consists of the Great Rann in the north and the Little Rann in the southeast; seasonal alternation between marsh and desert; some saltworks. In 1968 an international tribunal awarded about 10 per cent of the border area to Pakistan. Area: 23 000 sq km (9000 sq miles)
  • rat claw foot — an elongated foot having the form of a thin claw grasping a ball.
  • rectification — the act of rectifying, or the fact of being rectified.
  • 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
  • refractometer — an instrument for determining the refractive index of a substance.
  • refractometry — an instrument for determining the refractive index of a substance.
  • reinforceable — capable of being reinforced
  • reperformance — a musical, dramatic, or other entertainment presented before an audience.
  • reproachfully — full of or expressing reproach or censure: a reproachful look.
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