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2010-07-30 23:01:00

WASHINGTON, July 31 /PRNewswire-USNewswire/ -- Following is the daily "Profile America" feature from the U.S. Census Bureau: (Logo: http://photos.prnewswire.com/prnh/20090226/CENSUSLOGO) (Logo: http://www.newscom.com/cgi-bin/prnh/20090226/CENSUSLOGO) SATURDAY, JULY 31: PATENTS Profile America -- Saturday, July 31st. The U.S. Patent Office opened for business on this day in 1790, established to protect the work of young America's inventors. The first patent granted was to Samuel...


Latest Samuel Hopkins Reference Libraries

28_e793595a73de4a9711dff812c86ac5a1
2005-05-25 18:49:25

Potash (or carbonate of potash) is an impure form of potassium carbonate (K2CO3) mixed with other potassium salts. Potash has been used since antiquity in the manufacture of glass and soap, and as a fertilizer. The name comes from the English words pot and ash, referring to its discovery in the water-soluble fraction of wood ash. It is today principally produced by mining suitable deposits which are found throughout the world. The term has become somewhat ambiguous due to the...

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Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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