19-letter words containing p, r, e, l, i
- radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
- reciprocal exchange — an unincorporated association formed so that its members can participate in reciprocal insurance.
- reciprocal leveling — leveling between two widely separated points in which observations are made in both directions to eliminate the effects of atmospheric refraction and the curvature of the earth.
- reciprocity failure — a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
- reconceptualization — to form into a concept; make a concept of.
- reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
- reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
- refreshable display — braille display
- relative complement — the set of elements contained in a given set that are not elements of another specified set.
- relative impediment — a fact or circumstance that disqualifies from lawful marriage persons who are closely related.
- relocation expenses — Relocation expenses are a sum of money that a company pays to someone who moves to a new area in order to work for the company. The money is to help them pay for moving house.
- representationalism — Also called representative realism. Epistemology. the view that the objects of perception are ideas or sense data that represent external objects, especially the Lockean doctrine that the perceived idea represents exactly the primary qualities of the external object.
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of letters — the collective body of literary people.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- republique malgache — French name of Malagasy Republic.
- research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
- resorcinolphthalein — fluorescein.
- respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
- ruffini's corpuscle — an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure.
- sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
- sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- self-representation — the act of representing.
- self-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- semipalmated plover — a New World plover, Charadrius semipalmatus, having a black ring around the chest and semipalmate feet, inhabiting beaches and salt marshes.
- sexual reproduction — reproduction involving the union of gametes.
- sexual stereotyping — the formation or promotion of a fixed general idea or image of how men and women will behave
- sharp-focus realism — photorealism.
- sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
- siberian crab apple — a hardy, round-headed tree, Malus baccata, of northern Asia, having white flowers and yellow or red fruit.
- silk-screen process — Also called silkscreen process. a printmaking technique in which a mesh cloth is stretched over a heavy wooden frame and the design, painted on the screen by tusche or affixed by stencil, is printed by having a squeegee force color through the pores of the material in areas not blocked out by a glue sizing.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- simple closed curve — a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle.
- single-cell protein — a protein produced or derived from the culture of a single-celled organism, used as a food supplement or substitute. Abbreviation: SCP.
- sleepy hollow chair — an armchair of the mid-19th century, sometimes on rockers, having a single piece forming a high upholstered back and a concave upholstered seat.
- slugging percentage — a number expressing a player's average effectiveness in making extra-base hits, calculated by dividing the total number of bases (from all singles, doubles, triples, and home runs) by the number of official at bats
- sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- special air service — a regiment in the British Army specializing in clandestine operations
- special partnership — limited partnership.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sphere of influence — any area in which one nation wields dominant power over another or others.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
- streaming potential — the potential produced in the walls of a porous membrane or a capillary tube by forcing a liquid through it.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.