15-letter words containing d, i, r, u
- stomping ground — a habitual or favorite haunt.
- strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
- studio portrait — a photograph of a person taken in a studio
- 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
- 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.
- the daily round — the usual activities of one's day
- the high ground — a position of moral or ethical superiority in a dispute
- the undersigned — the person or persons who have signed at the foot of a document, statement, etc
- thermodiffusion — thermal diffusion.
- thorium dioxide — a white, heavy, water-insoluble powder, ThO 2 , used chiefly in incandescent mantles, as the Welsbach gas mantle.
- thought reading — mind reading.
- 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.
- trading account — an account similar to a traditional bank account, holding cash and securities, and administered by an investment dealer
- training ground — an area where people prepare for sporting competitions, with activities primarily concentrating on skills and fitness
- transindividual — a single human being, as distinguished from a group.
- treacle pudding — a sponge cake with syrup on top
- 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.
- truman doctrine — the policy of President Truman, as advocated in his address to Congress on March 12, 1947, to provide military and economic aid to Greece and Turkey and, by extension, to any country threatened by Communism or any totalitarian ideology.
- truth-condition — the circumstances under which a statement is true
- 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.
- turnaround time — the total time taken between the submission of a program for execution and the return of the complete output to the customer
- 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.
- udmurt republic — a constituent republic of W central Russia, in the basin of the middle Kama. Capital: Izhevsk. Pop: 1 570 500 (2002). Area: 42 100 sq km (16 250 sq miles)
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultrademocratic — (in the US) characteristic of a staunch member or supporter of the Democratic Party and its agenda