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18-letter words containing l, y, i, n

  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
  • physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
  • piperonyl butoxide — a light-brown liquid, C 1 9 H 3 0 O 5 , used chiefly as a synergist in certain insecticides.
  • plane trigonometry — the branch of trigonometry dealing with plane triangles.
  • platinocyanic acid — the hypothetical acid containing platinum and the cyano group, H 2 Pt(CN) 4 .
  • play second fiddle — be considered less important
  • plenary indulgence — a remission of the total temporal punishment that is still due to sin after absolution. Compare indulgence (def 6).
  • point set topology — topology (def 2).
  • politically-minded — (of a person or group of people) interested in the way power is achieved and used in a country or society (through government, policy-making, etc)
  • polynesian tattler — a sandpiper, H. incanus, native to the Pacific coastal regions
  • polyvinyl chloride — a white, water-insoluble, thermoplastic resin, derived by the polymerization of vinyl chloride: used chiefly for thin coatings, insulation, and pipings.
  • population density — ratio: inhabitants to area
  • population pyramid — a graph showing the distribution of a population by sex, age, etc.
  • 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
  • pre-filled syringe — A pre-filled syringe is a disposable syringe that is supplied already loaded with the substance to be injected.
  • 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).
  • 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.
  • psychotechnologist — a specialist in psychotechnology
  • publicity campaign — an effort to convey information to the public
  • publishing company — a firm which publishes books
  • 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
  • quality controller — a person responsible for checking that the goods or services produced by an organization are of an acceptable standard
  • range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
  • reentering polygon — a polygon having one or more reentering angles.
  • reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
  • relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
  • relative minor key — a minor key that has the same key signature as a major key, but a different tonic
  • revolutionary wars — American Revolution.
  • 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.
  • run in sb's family — If a characteristic runs in someone's family, it often occurs in members of that family, in different generations.
  • rural municipality — any lightly settled area in Canada lacking a local elected government and administered directly by a provincial government.
  • safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
  • sampling frequency — sample rate
  • schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.
  • secondary diagonal — a diagonal line or plane.
  • secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
  • secretarial agency — a recruiting business which deals with jobs for secretaries
  • securities analyst — an expert who advises on investment in securities such as stocks, shares and bonds
  • security clearance — access to top secret information
  • self-contradictory — an act or instance of contradicting oneself or itself.
  • self-deprecatingly — in a self-deprecating manner
  • semi-microanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
  • shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
  • significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
  • silvery cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
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