15-letter words containing n, s, d, i
- 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
- subduction zone — an act or instance of subducting; subtraction or withdrawal.
- subject heading — a title or heading of a category, esp in a bibliography or index
- subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
- suck it and see — to try something to find out what it is, what it is like, or how it works
- suicide bombing — a terrorist bomb attack in which the perpetrator knows that he or she will be killed in the explosion
- suicide machine — a device designed to permit a terminally ill person to commit suicide, as by the automatic injection of a lethal drug.
- 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.
- 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.
- 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.
- sustained yield — the continuing supply of a natural resource, as timber, through scheduled harvests to insure replacement by regrowth or reproduction.
- svedberg (unit) — a unit of time, equal to 10-13 second, used in determining the rate of sedimentation of a macromolecule in an ultracentrifuge
- 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.
- synod of whitby — the synod held in 664 at Whitby at which the Roman date for Easter was accepted and the Church in England became aligned with Rome
- system building — a method of building in which prefabricated components are used to speed the construction of buildings
- 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.
- tendentiousness — having or showing a definite tendency, bias, or purpose: a tendentious novel.
- terminator seed — a seed that produces sterile plants, used in some genetically modified crops so that a new supply of seeds has to be bought every year
- the devil's own — a very difficult or problematic (thing)
- the first-named — something that is specified or named first
- the undersigned — the person or persons who have signed at the foot of a document, statement, etc
- thermodiffusion — thermal diffusion.
- third dimension — the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- thousand island — of or relating to the Thousand Islands or their inhabitants
- 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).
- tie one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- tightfistedness — the quality or state of being tightfisted
- tirso de molina — Luis [loo-ees] /luˈis/ (Show IPA), 1535–1600, Spanish Jesuit theologian.
- to make friends — If you make friends with someone, you begin a friendship with them. You can also say that two people make friends.
- to one's credit — commendation or honor given for some action, quality, etc.: Give credit where it is due.
- 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.
- trading profits — profits made from the buying and selling of goods and services
- trans-jordanian — of or relating to the former Trans-Jordan (now Jordan) or its inhabitants
- transfer window — the period during the year in which a football club can transfer players from other teams into their own
- transindividual — a single human being, as distinguished from a group.
- transvaal daisy — a composite plant, Gerbera jamesonii, native to southern Africa, having showy, many-rayed, variously colored flower heads.
- treasure island — (italics) a novel (1883) by R. L. Stevenson.
- tricotyledonous — having three cotyledons.
- tristram shandy — a novel (1759–67) by Laurence Sterne.