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18-letter words containing r, o, y, a, l, i

  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • now you're talking — at last you're saying something agreeable
  • numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
  • octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
  • offset lithography — offset (def 6).
  • organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
  • oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.
  • oscillographically — By means of oscillography.
  • overdraft facility — a facility (of a bank or building-society cheque account) that allows a withdrawal of money in excess of the account's credit balance
  • parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • passive vocabulary — all the words, collectively, that a person can understand
  • pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
  • perlocutionary act — the action of affecting someone by uttering certain words
  • phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
  • phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • physical geography — the branch of geography concerned with natural features and phenomena of the earth's surface, as landforms, drainage features, climates, soils, and vegetation.
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • plane trigonometry — the branch of trigonometry dealing with plane triangles.
  • polychromatophilic — having an affinity for more than one kind of stain, especially for acid, neutral, and basic stains, as polychromatophilic erythroblasts characteristic of pernicious anemia.
  • polynesian tattler — a sandpiper, H. incanus, native to the Pacific coastal regions
  • population pyramid — a graph showing the distribution of a population by sex, age, etc.
  • portrait of a lady — a novel (1881) by Henry James.
  • positively charged — having a positive charge
  • post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • postviral syndrome — debilitating condition occurring as a sequel to viral illness
  • presentation layer — (networking)   The second highest layer (layer 6) in the OSI seven layer model. Performs functions such as text compression, code or format conversion to try to smooth out differences between hosts. Allows incompatible processes in the application layer to communicate via the session layer. Documents: ITU Rec. X.226 (ISO 8823), ITU Rec. X.216 (ISO 8822).
  • probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
  • proprietary colony — any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government.
  • provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
  • pulmonary embolism — the blockage of a pulmonary artery, often by a blood clot, that stops the flow of blood to the lungs and which can result in death if untreated
  • pyromucic aldehyde — furfural.
  • pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
  • quality controller — a person responsible for checking that the goods or services produced by an organization are of an acceptable standard
  • quality of service — (communications, networking)   (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
  • quarry-tiled floor — a floor covered with square or diamond-shaped unglazed floor tiles
  • racially motivated — motivated by (the hate or prejudice of) someone's race
  • range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
  • refrigerated lorry — a lorry which is chilled in the back as for storing food
  • relative major key — a major key that has the same key signature as a minor key, but a different tonic
  • relative minor key — a minor key that has the same key signature as a major key, but a different tonic
  • revolutionary wars — American Revolution.
  • rheims-douay bible — Douay Bible.
  • rosebay willowherb — a perennial onagraceous plant, Chamerion (formerly Epilobium) angustifolium, that has spikes of deep pink flowers and is widespread in open places throughout N temperate regions
  • rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
  • rotational latency — (storage, hardware)   The time for the start of the required sector on a disk to appear underneath the read/write head. The worst case is where it has just passed the head when the request is received. For a disk drive with N heads per surface, rotating at R revolutions per minute, the average rotational latency will be L = 30/NR seconds. Rotational latency is one component of access time.
  • safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
  • secondary diagonal — a diagonal line or plane.
  • secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
  • self-contradictory — an act or instance of contradicting oneself or itself.
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