15-letter words containing d, i, s, m
- sodium chloride — salt1 (def 1).
- sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
- sodium ethylate — a white, hygroscopic powder, C 2 H 5 ONa, that is decomposed by water into sodium hydroxide and alcohol: used chiefly in organic synthesis.
- 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 monoxide — a white powder, Na 2 O, that reacts violently with water to produce sodium hydroxide.
- 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 silicate — a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution
- 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.
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- soldier's medal — a medal awarded to any member of the Army of the United States, or of any military organization serving with it, who distinguishes himself or herself by heroism not involving conflict with an enemy.
- solomon islands — (used with a plural verb) an archipelago in the W Pacific Ocean, E of New Guinea; important World War II battles; politically divided between Papua New Guinea and the Solomon Islands.
- somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
- 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.
- sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
- spread sampling — the selection of a corpus for statistical analysis by selecting a number of short passages at random throughout the work and considering their aggregation
- spread-eagleism — boastfulness or bombast, especially in the display of patriotic or nationalistic pride in the U.S.; flag-waving.
- stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
- stamping ground — a habitual or favorite haunt.
- steamed pudding — a traditional pudding containing fat, sugar, eggs, flour, and other ingredients, which is steamed
- stomping ground — a habitual or favorite haunt.
- strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
- succes d'estime — success won by reason of merit and critical respect rather than by popularity.
- suicide attempt — bid to kill oneself
- 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.
- 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
- swedish massage — a massage employing techniques of manipulation and muscular exercise systematized in Sweden in the 19th century.
- swiss army code — (programming, humour) Code for an application that is suffering from feature creep. Swiss Army Code does many things, but does none of them well.
- 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.
- 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 first-named — something that is specified or named first
- the midas touch — ability to make money
- thermodiffusion — thermal diffusion.
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- third dimension — the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.
- 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.
- 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.
- tristram shandy — a novel (1759–67) by Laurence Sterne.
- tufted titmouse — a gray titmouse, Parus bicolor, of the eastern and midwestern U.S., having a crested head.
- two-dimensional — having the dimensions of height and width only: a two-dimensional surface.
- ultra-modernist — very advanced in ideas, design, or techniques.
- uncircumscribed — to draw a line around; encircle: to circumscribe a city on a map.
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- 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
- undress uniform — a uniform worn on other than formal occasions.
- unmelodiousness — an unmelodious quality or character