TITLE

ore

PUB. DATE
January 2009
SOURCE
American Heritage Student Science Dictionary;2009, p246
SOURCE TYPE
Book
DOC. TYPE
Reference Entry
ABSTRACT
A definition of the term "ore" is presented. It refers to a mineral or rock from which a valuable or useful substance, especially a metal, can be extracted at a reasonable cost.
ACCESSION #
20851798

 

Related Articles

  • reflux theory Geology.  // Dictionary of Theories;2002, p456 

    A definition of the term "reflux theory," is presented. It is a term related to geology, which states that when dense, saline water passes through a sediment, it can result in the alteration of pre-existing minerals and the deposition of others.

  • peat.  // American Heritage Student Science Dictionary;2009, p257 

    A definition of the term "peat" is presented. It refers to partially decayed vegetable matter, especially mosses, found in bogs. Peat is burned as a fuel and is also used as a fertilizer.

  • quartz.  // American Heritage Student Science Dictionary;2009, p282 

    A definition of the term "quartz," is presented. It refers to a hard, transparent mineral composed of silicon dioxide. Quartz is the most common of all minerals. It occurs as a component of rocks such as sandstone and granite, and separately in a variety of forms such as rock crystal, flint, and...

  • py·rox·ene.  // American Heritage Student Science Dictionary;2009, p281 

    A definition of the term "pyroxene" is presented. It refers to any of a series of rock-forming minerals consisting of mixtures of calcium, sodium, magnesium, or iron silicates. Pyroxenes vary in color from white to dark green or black and are characterized by a rectangular-shaped cross section....

  • calx.  // Taber's Cyclopedic Medical Dictionary;2005, p319 

    A definition of the medical term "calx" is presented, which means lime or heel.

  • DICTIONARY UPDATE. Peters, Mark // Copyediting;Aug2011, p12 

    The article presents updates on dictionary terms including humble brag, deather, and Obamneycare.

  • ultimate.  // Taber's Cyclopedic Medical Dictionary;2005, p2260 

    A definition of the term "ultimate" is presented. It refers to final or last.

  • or·chid.  // American Heritage Student Science Dictionary;2009, p246 

    A definition of the term "orchid" is presented. It refers to any of numerous tropical and subtropical plants that grow on the ground or in trees as epiphytes. Orchids have irregularly shaped flowers with one petal larger than the others.

  • O·ri·on.  // American Heritage Student Science Dictionary;2009, p247 

    A definition of the term "Orion" is presented. It refers to a constellation in the region of the celestial equator near Gemini and Taurus. It contains the bright stars Betelgeuse and Rigel.

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics