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15-letter words containing i, l, d

  • sodium silicate — a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution
  • sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
  • soft-boiled egg — boiled egg with runny yolk
  • solar radiation — energy radiated from the sun in the form of electromagnetic waves, including visible and ultraviolet light and infrared radiation.
  • soldier's heart — cardiac neurosis.
  • soldier's medal — a medal awarded to any member of the Army of the United States, or of any military organization serving with it, who distinguishes himself or herself by heroism not involving conflict with an enemy.
  • solenoid switch — A solenoid switch is an electrical switch that is often used where a high current circuit, such as a starter motor circuit, is brought into operation by a low current switch.
  • solid injection — injection of fuel into an internal-combustion engine without an air blast.
  • solomon islands — (used with a plural verb) an archipelago in the W Pacific Ocean, E of New Guinea; important World War II battles; politically divided between Papua New Guinea and the Solomon Islands.
  • somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
  • sophisticatedly — (of a person, ideas, tastes, manners, etc.) altered by education, experience, etc., so as to be worldly-wise; not naive: a sophisticated young socialite; the sophisticated eye of an experienced journalist.
  • soul-destroying — Activities or situations that are soul-destroying make you depressed, because they are boring or because there is no hope of improvement.
  • sound symbolism — a nonarbitrary connection between phonetic features of linguistic items and their meanings, as in the frequent occurrence of close vowels in words denoting smallness, as petite and teeny-weeny.
  • sound-and-light — combining sound effects or music with unusual lighting displays: to promote a product with a spectacular sound-and-light presentation.
  • spanish needles — (used with a singular or plural verb) a composite plant, Bidens bipinnata, having achenes with downwardly barbed awns.
  • special edition — newspaper, magazine: extra issue
  • special student — a student who is not seeking a degree but enrols in a course, esp to gain academic credits
  • speller-divider — a reference book that lists words in alphabetical order to show spelling and syllabification.
  • spit and polish — great care in maintaining smart appearance and crisp efficiency: The commander was concerned more with spit and polish than with the company's morale.
  • spratly islands — a widely-scattered group of uninhabited islets and reefs in the S South China Sea, the subject of territorial claims wholly or in part by six neighbouring nations
  • spread sampling — the selection of a corpus for statistical analysis by selecting a number of short passages at random throughout the work and considering their aggregation
  • spread-eagleism — boastfulness or bombast, especially in the display of patriotic or nationalistic pride in the U.S.; flag-waving.
  • sprinkler dance — a celebratory dance in which participants extend one arm and shake it to imitate the action of a rotating water sprinkler
  • standard lining — a system for aligning type so that all fonts of the same point size have a common baseline.
  • stannic sulfide — a yellowish or brownish, water-insoluble powder, SnS 2 , usually used suspended in lacquer or varnish for gilding and bronzing metals, wood, paper, etc.; mosaic gold.
  • starting handle — a crank used to start the motor of an automobile.
  • stilpnosiderite — a resinous variety of limonite with a black-brown colour
  • student council — a representative body composed chiefly of students chosen by their classmates to organize social and extracurricular activities and to participate in the government of a school or college.
  • styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
  • subsidiary cell — Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
  • sulfanilic acid — a grayish-white, crystalline, slightly water-soluble solid, the para form of C 6 H 7 NO 3 S, used chiefly as an intermediate in the manufacture of dyes.
  • sulfur trioxide — an irritant, corrosive, low-melting solid, SO 3 , obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid.
  • sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
  • sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
  • summer holidays — the time when children do not go to school in the summer
  • superindividual — greater than the individual
  • surgical needle — a needle for suturing.
  • sustained yield — the continuing supply of a natural resource, as timber, through scheduled harvests to insure replacement by regrowth or reproduction.
  • synecdochically — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
  • system building — a method of building in which prefabricated components are used to speed the construction of buildings
  • take lying down — to be in a horizontal, recumbent, or prostrate position, as on a bed or the ground; recline. Antonyms: stand.
  • tasmanian devil — a small, predacious marsupial, Sarcophilus harrisii, of Tasmania, having a black coat with white patches: its dwindling population is now confined to isolated areas.
  • the classifieds — a section of classified advertising in a publication
  • the cordilleras — the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
  • the daily round — the usual activities of one's day
  • the devil's own — a very difficult or problematic (thing)
  • the living dead — dead people that have been brought back to life by a supernatural force
  • thiocarbanilide — a gray powder, C 13 H 12 N 2 S, used as an intermediate in dyes and as an accelerator in vulcanization.
  • third ventricle — one of the four cavities of the brain, lying on the midline between the cerebral hemispheres
  • thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
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