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Alcohol (drug) Alcohol, sometimes referred to by the chemical name ethanol, is a depressant drug [11] found in fermented beverages such as beer, wine, and distilled spirit [12] — in particular, rectified spirit. [13] Ethanol is colloquially referred to as "alcohol" because it is the most prevalent alcohol in alcoholic beverages.
Ethanol is the oldest known sedative, used as an oral general anesthetic during surgery in ancient Mesopotamia and in medieval times. [16] [17] Mild intoxication starts at a blood alcohol concentration of 0.03-0.05 % and induces anesthetic coma at 0.4%. [25] However, this use carried the high risk of deadly alcohol intoxication and pulmonary ...
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The English word "free" has several meanings. The word "free" in "The Free Encyclopedia" refers first and foremost to the licensing terms of Wikipedia's content. Text is contributed to Wikipedia under the terms of the Creative Commons Attribution-ShareAlike License (CC-BY-SA) and the GNU Free Documentation License (GFDL) — copyleft licenses ...
Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.
American retail corporation Walmart has been the world's largest company by revenue since 2014. [1] The list is limited to the largest 50 companies, all of which have annual revenues exceeding US$130 billion. This list is incomplete, as not all companies disclose their information to the media and/or general public. [3]
Four presidents died in office of natural causes (William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt), four were assassinated ( Abraham Lincoln, James A. Garfield, William McKinley, and John F. Kennedy ), and one resigned ( Richard Nixon, facing impeachment and removal from office). [9]
