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15-letter words containing s, u, r, d, i

  • sub-distributor — a person or thing that distributes.
  • subsidiary cell — Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
  • subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
  • 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 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 holidays — the time when children do not go to school in the summer
  • sunset industry — any industry that holds little promise of future development
  • superconfidence — great or extreme confidence, overconfidence
  • 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.
  • svedberg (unit) — a unit of time, equal to 10-13 second, used in determining the rate of sedimentation of a macromolecule in an ultracentrifuge
  • the undersigned — the person or persons who have signed at the foot of a document, statement, etc
  • thermodiffusion — thermal diffusion.
  • thunderstricken — Archaic. to strike with a thunderbolt.
  • thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
  • torsion modulus — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
  • transindividual — a single human being, as distinguished from a group.
  • treasure island — (italics) a novel (1883) by R. L. Stevenson.
  • tricotyledonous — having three cotyledons.
  • tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
  • tunbridge wells — a city in SW Kent, in SE England: mineral springs; resort.
  • turkish delight — a candy made of fruit juice and gelatin, cubed and dusted with sugar.
  • turn inside out — If you say that something has been turned inside out, you mean that it is the opposite of what you expect or think it should be.
  • two-thirds rule — a former rule in the Democratic Party, effective 1832–1936, requiring a vote of at least two thirds of its national convention delegates to nominate a presidential and vice-presidential candidate.
  • ultra-modernist — very advanced in ideas, design, or techniques.
  • ultrafastidious — extremely fastidious
  • un-considerable — rather large or great in size, distance, extent, etc.: It cost a considerable amount. We took a considerable length of time to decide.
  • uncircumscribed — to draw a line around; encircle: to circumscribe a city on a map.
  • unconstrainedly — in an unconfined manner
  • uncorresponding — identical in all essentials or respects: corresponding fingerprints.
  • undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
  • under suspicion — suspected of a crime
  • underestimation — to estimate at too low a value, rate, or the like.
  • underinvestment — insufficient investment or laying out of money with the expectation of profit
  • understandingly — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
  • undersubscribed — having more places available than the demand for them
  • undeservingness — qualified for or having a claim to reward, assistance, etc., because of one's actions, qualities, or situation: the deserving poor; a deserving applicant.
  • undress uniform — a uniform worn on other than formal occasions.
  • universal donor — a person with blood of group O.
  • unknown soldier — an unidentified soldier killed in battle and buried with honors, the tomb serving as a memorial to all the unidentified dead of a nation's armed forces. The tomb of the American Unknown Soldier, commemorating a serviceman killed in World War I, was established in the Arlington National Cemetery in Virginia in 1921. In 1958, the remains of personnel of World War II and the Korean War were buried alongside the tomb (now called the Tomb of the Unknowns, ). In 1984, a serviceman of the Vietnam War was interred next to the others.
  • unpolished rice — a partly refined rice, hulled and deprived of its germ but retaining some bran.
  • unpractisedness — the quality or state of being unpractised
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