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15-letter words containing di

  • 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
  • solar radiation — energy radiated from the sun in the form of electromagnetic waves, including visible and ultraviolet light and infrared radiation.
  • soldier's heart — cardiac neurosis.
  • 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.
  • sound recordist — recordist.
  • sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
  • special edition — newspaper, magazine: extra issue
  • speech disorder — an inability to produce normal speech
  • speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
  • speeding ticket — notice of traffic violation
  • speller-divider — a reference book that lists words in alphabetical order to show spelling and syllabification.
  • spheroidization — the conversion of grains into spheroids
  • 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.
  • stage direction — an instruction written into the script of a play, indicating stage actions, movements of performers, or production requirements.
  • standardization — to bring to or make of an established standard size, weight, quality, strength, or the like: to standardize manufactured parts.
  • standing charge — fixed energy costs
  • standing orders — Military. (formerly) a general order always in force in a command and establishing uniform procedures for it; standard operating procedure.
  • starvation diet — insufficient food to stay alive
  • steamed pudding — a traditional pudding containing fat, sugar, eggs, flour, and other ingredients, which is steamed
  • storage disease — a metabolic disorder characterized by excessive storage in certain cells of normal metabolic intermediates, as fats, iron, and carbohydrates.
  • strawberry dish — a shallow, circular fruit dish with a fluted or pierced border.
  • strike pay dirt — to achieve one's objective
  • 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.
  • subject heading — a title or heading of a category, esp in a bibliography or index
  • 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.
  • 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
  • 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.
  • superindividual — greater than the individual
  • superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
  • swedish massage — a massage employing techniques of manipulation and muscular exercise systematized in Sweden in the 19th century.
  • system building — a method of building in which prefabricated components are used to speed the construction of buildings
  • 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 cordilleras — the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
  • the die is cast — You can say that the die is cast to draw attention to the importance of an event or decision which is going to affect your future and which cannot be changed or avoided.
  • the disappeared — people who have been arrested secretly or abuducted and presumably imprisoned or killed
  • the handicapped — those who are physically disabled or mentally retarded
  • the perigordian — the Perigordian culture
  • 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.
  • thorium dioxide — a white, heavy, water-insoluble powder, ThO 2 , used chiefly in incandescent mantles, as the Welsbach gas mantle.
  • thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
  • thought reading — mind reading.
  • time difference — the difference in clock time between two or more different time zones
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