Soda definitions and example sentences on Wordnik

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noun Any of various forms of sodium carbonate.
noun Chemically combined sodium.
noun See carbonated water.

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Sesquicarbonate or normal carbonate of sodium (Na₂CO₃); soda-ash: the latter being the common name of the commercial article, one of the most, if not the most, important of all the Products of chemical manufacture. Various hydrated carbonates of sodium occur in nature—the decahydrate or natron; the monohydrate, known as thermonatrite; and trona, a compound of the sesquicarbonate and the bicarbonate with three equivalents of water. These natural carbonates occur in solution in the water of various alkaline lakes, or as deposits at the bottoms of such as have become dried up, but usually mixed with more or less common salt, sodium sulphate, and other saline combinations. It was from these deposits, and from the incineration of various plants growing by the sea-shore (Salsola, Salicornia, Chenopodium, Statice, Reaumuria, Nitraria, Tetragonia, Mesembryanthemum), that soda was formerly obtained. These sources have become of little importance since artificial soda began to be made from common salt, a process invented by Leblanc, and put in operation near Paris toward the end of the eighteenth century. By this process common salt is decomposed by sulphuric acid, and the resulting sodium sulphate is mixed with limestone and coal, and heated in a reverberatory furnace, the product (technically known as black ash) consisting essentially of soluble sodium carbonate and insoluble calcium sulphid, which are easily separated from each other by lixiviation. By the Leblanc process the soda used in the arts was almost exclusively produced until about thirty years ago, when the so-called ammonia or Solvay process began to become of importance. This process had been patented in England as early as 1838, and tried there and near Paris, but without success. The difficulties were first overcome by E. Solvay, who in 1861 established a manufactory of soda by this process (since known by his name) near Brussels. By the ammonia or Solvay process a concentrated solution of common salt is saturated with ammonia, and then decomposed by carbonic acid, By this means sodium chlorid is converted into sodium carbonate, and the ammonia is afterward recovered by the aid of lime or magnesia. This process has within the past few years become of great importance, and at the present time about half the soda consumed in the world is made by it. Whether it will eventually entirely supplant the Leblanc process cannot yet be stated. The chief advantage which it presents is that the amount of coal consumed by it is much smaller than that required by the older process, so that countries where fuel is not very cheap and abundant can now make their own soda, being no longer dependent on England, as they were in large degree before the Solvay process became successful. For the properties of pure soda, see sodium carbonate, under sodium. Also called mineral alkali.
Soda-water. [Colloquial]
Ball soda crude soda.

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From the way websites have pounced on this bit of pop trivia, you'd think this soda is the solution to obesity. — The Harvard Crimson :: News
Nutritionists are mixed on diet soda, which is calorie-free but still contains chemicals and may increase cravings for sweet foods. — IdahoStatesman.com News Updates
My sense of luxury was piqued today when I actually contemplated buying a two-liter of brand name soda or really splurging by getting a big can of Arizona Iced Tea's Fruit Punch. — Greg's Opinion
But as operators of Noni Bacca Winery on Eastwood Road, the couple has decided to share their talent for making more adult beverages with the public, although the soda is available. — news | WM | http://www.starnewsonline.com
The researchers believe that HFCS is probably the source: A compound known as caustic soda, which is used to separate the corn starch from the kernel, can be tainted with mercury, and there's no way for you to know whether the caustic soda used was contaminated, according to study author David Wallinga, MD. — Signs of the Times

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soda

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