15-letter words containing i, o, d, u, s
- sound deadening — a process or material that reduces the resonance or volume of sound
- sound recordist — recordist.
- 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.
- sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
- spawning ground — a place where fish deposit their eggs for fertilization
- spotted sunfish — a sunfish, Lepomis punctatus, inhabiting streams from South Carolina to Florida, having the body marked with longitudinal rows of spots.
- stamping ground — a habitual or favorite haunt.
- state education — education provided by the state; education which is not private
- stomping ground — a habitual or favorite haunt.
- strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
- 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.
- students' union — The students' union is the students' organization in a university or college which organizes leisure activities, provides welfare services, and represents students' political interests.
- studio audience — spectators on a TV set
- studio portrait — a photograph of a person taken in a studio
- sub-distributor — a person or thing that distributes.
- subduction zone — an act or instance of subducting; subtraction or withdrawal.
- subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
- suicide bombing — a terrorist bomb attack in which the perpetrator knows that he or she will be killed in the explosion
- 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
- superconfidence — great or extreme confidence, overconfidence
- 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
- tendentiousness — having or showing a definite tendency, bias, or purpose: a tendentious novel.
- the midas touch — ability to make money
- thermodiffusion — thermal diffusion.
- thousand island — of or relating to the Thousand Islands or their inhabitants
- titius-bode law — Bode's law.
- tokelau islands — a group of islands in the S Pacific Ocean belonging to New Zealand. 4 sq. mi. (10 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.
- tricotyledonous — having three cotyledons.
- tufted titmouse — a gray titmouse, Parus bicolor, of the eastern and midwestern U.S., having a crested head.
- 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.
- uncondescending — showing or implying a usually patronizing descent from dignity or superiority: They resented the older neighbors' condescending cordiality.
- unconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- 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.
- undisappointing — not disappointing
- undress uniform — a uniform worn on other than formal occasions.
- universal donor — a person with blood of group O.