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Water is a good polar solvent, dissolving many salts and hydrophilic organic molecules such as sugars and simple alcohols such as ethanol. Water also dissolves many gases, such as oxygen and carbon dioxide—the latter giving the fizz of carbonated beverages, sparkling wines and beers.
Noah Webster's assistant, and later chief competitor, Joseph Emerson Worcester, and Webster's son-in-law Chauncey A. Goodrich, published an abridgment of Noah Webster's 1828 American Dictionary of the English Language in 1829, with the same number of words and Webster's full definitions, but with truncated literary references and expanded ...
The American Heritage College Dictionary: Houghton Mifflin Harcourt: 2002 4th [b] (ISBN 0-547-24766-4) 2010 1,664 American: Diacritical: Merriam-Webster's Collegiate Dictionary: Merriam-Webster: 1898 11th, revised (ISBN 0877798079) 2019 (01.08) 1,664 165,000 American: Diacritical: Webster's New World College Dictionary: HarperCollins: 1953 5th ...
The US Safe Drinking Water Act and derivative legislation define a "public water system" as an entity that provides "water for human consumption through pipes or other constructed conveyances to at least 15 service connections or serves an average of at least 25 people for at least 60 days a year."
The definition of a w is where p is the partial water vapor pressure in equilibrium with the solution, and p* is the (partial) vapor pressure of pure water at the same temperature. An alternate definition can be a w ≡ l w x w {\displaystyle a_{w}\equiv l_{w}x_{w}} where l w is the activity coefficient of water and x w is the mole fraction of ...
Water is amphoteric: it has the ability to act as either an acid or a base in chemical reactions. [87] According to the Brønsted-Lowry definition, an acid is a proton (H +) donor and a base is a proton acceptor. [88] When reacting with a stronger acid, water acts as a base; when reacting with a stronger base, it acts as an acid. [88]
An online dictionary is a dictionary that is accessible via the Internet through a web browser. They can be made available in a number of ways: free, free with a paid subscription for extended or more professional content, or a paid-only service.
Merriam-Webster's Dictionary of English Usage (MWDEU) is a usage dictionary published by Merriam-Webster, Inc., of Springfield, Massachusetts. It is currently available in a reprint edition (1994) ISBN 0-87779-132-5 or ISBN 978-0-87779-132-4. (The 1989 edition did not include Merriam-in the title.