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15-letter words containing e, r, u, d

  • sodium chloride — salt1 (def 1).
  • sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
  • sodium fluoride — a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide.
  • sodium peroxide — a yellowish-white, hygroscopic, water-soluble powder, Na 2 O 2 , used chiefly as a bleaching agent and as an oxidizing agent.
  • sodium stearate — Sodium stearate is a salt of stearic acid used as a surfactant (= a substance that reduces the surface tension of a liquid and allows it to foam) in order to aid the solubility of hydrophobic substances in oral medicines.
  • 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 recordist — recordist.
  • sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
  • source document — a document that has been or will be transcribed to a word processor or to the memory bank of a computer
  • southeastwardly — toward the southeast
  • southwestwardly — toward the southwest
  • squadron leader — air-force officer
  • staggered hours — a system of working in which the employees of an organization do not all arrive and leave at the same time, but have large periods of overlap
  • standard clause — a clause which is inserted as standard into certain types of contracts or agreements
  • statutory order — a statute that applies further legislation to an existing act
  • strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
  • student teacher — a student who is studying to be a teacher and who, as part of the training, observes classroom instruction or does closely supervised teaching in an elementary or secondary school.
  • studhorse poker — stud poker.
  • subsidiary cell — Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
  • 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.
  • sully-prudhomme — René François Armand [ruh-ney frahn-swa ar-mahn] /rəˈneɪ frɑ̃ˈswa arˈmɑ̃/ (Show IPA), 1839–1907, French poet: Nobel prize 1901.
  • 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
  • summer diarrhea — an acute condition of diarrhea, occurring during the hot summer months chiefly in infants and children, caused by bacterial contamination of food and associated with poor hygiene.
  • summer flounder — a flounder, Paralichthys dentatus, inhabiting shallow waters from Cape Cod to South Carolina, valued as food.
  • summer holidays — the time when children do not go to school in the summer
  • sunflower seeds — the seeds of a sunflower, which can be eaten
  • sunset industry — any industry that holds little promise of future development
  • superabundantly — very or too abundantly
  • superconfidence — great or extreme confidence, overconfidence
  • superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
  • superindividual — greater than the individual
  • superintendence — a district or place under a superintendent.
  • superintendency — a district or place under a superintendent.
  • superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
  • suppressor grid — an electrode placed between the screen grid and anode of a valve. Its negative potential, relative to both screen and anode, prevents secondary electrons from the anode reaching the screen
  • surface density — quantity, as of electric charge, per unit surface area.
  • surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
  • surgical needle — a needle for suturing.
  • surrender value — cash value.
  • svedberg (unit) — a unit of time, equal to 10-13 second, used in determining the rate of sedimentation of a macromolecule in an ultracentrifuge
  • talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
  • tall meadow rue — a meadow rue, Thalictrum polygamum.
  • target audience — the target audience of a programme is the group of people that the programme-makers are trying to persuade to watch or listen to it
  • tax expenditure — any reduction in government revenue through preferential tax treatment, as deductions or credits.
  • tetrahydrofuran — a clear liquid, C 4 H 8 O, soluble in water and organic solvents, used as a solvent for resins, in polymerizations and as a chemical intermediate.
  • the daily round — the usual activities of one's day
  • the high ground — a position of moral or ethical superiority in a dispute
  • the outward man — the body as opposed to the soul
  • the underground — an electric passenger railway operated in underground tunnels
  • the undersigned — the person or persons who have signed at the foot of a document, statement, etc
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