Look up: OPAL

1. Opal
   Opal is a town in Lincoln County Wyoming, USA
   Found on http://fas.org/news/reference/probert/GL
   
   
2. Opal
   Opal has the formulae SiO2ùnH2O and a relative hardness of 6. It is found lining and filling cavities in igneous and sedimentary rocks where it's been deposited by hot waters. The ordinary varieties are common but the precious varieties are quite valuable.
   Found on http://fas.org/news/reference/probert/H3
   
   
3. OPAL
   Older People with Active Lifestyles - a demographic grouping.
   Found on http://www.cim.co.uk/cim/ser/html/infQui
   
   
4. opal
   [n] - a translucent mineral consisting of hydrated silica of variable color
   Found on http://www.webdictionary.co.uk/definitio
   
   
5. Opal
   1. A DSP language. ["OPAL: A High Level Language and Environment for DSP boards on PC", J.P. Schwartz et al, Proc ICASSP-89, 1989]. 2. The language of the object-oriented database GemStone. ["Making Smalltalk a Database System", G. Copeland et al, Proc SIGMOD'84, ACM 1984, pp.316- 325]. 3. A simulation language with provision for stochastic variabl…
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6. opal
   any of a large group of glassy,translucent silicas of various colors:some varieties,used as semiprecious stones,include the common opal,the black opal. Category: Various industries and crafts
   Found on http://www.mijnwoordenboek.nl/definition
   
   
7. Opal
   O"pal noun [ Latin opalus : confer Greek ..., Sanskrit upala a rock, stone, precious stone: confer French opale .] (Min.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. » The precious opal presents a peculiar play of colors of delicate tints, and is highly esteemed as a gem. One kind, with a varied play …
   Found on http://www.encyclo.co.uk/webster/O/22
   
   
8. opal
   <chemical> A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. ... The precious opal presents a peculiar play of colours of delicate tints, and is highly esteemed as a gem. One kind, with a varied play of colour in a reddish ground, is called the harlequin opal. The fire opal has colours like …
   Found on http://cancerweb.ncl.ac.uk/cgi-bin/omd?o
   
   
9. opal
   noun a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
10. Opal
    The mineraloid `opal` is amorphous SiO2`÷`n`H2O, hydrated silicon dioxide. The water content is usually between three and ten percent, but can be as high as 20%. Opal ranges from clear through white, gray, red, yellow, green, shore, blue, magenta, brown, and black. Of these hues, red and black are the most rare and dear, whereas white and green are the most common; these are a function of growth size into the red and infrared wavelengths`see prec...
    Found on http://en.wikipedia.org/wiki/Opal
    
    
11. OPAL
    `OPAL` (`Open Pool Australian Lightwater reactor`) is a 20 megawatt pool-type nuclear research reactor that was officially opened in April 2007 at the Australian Nuclear Science and Technology Organisation (ANSTO) Research Establishment at Lucas Heights in south Sydney, Australia.
    Found on http://en.wikipedia.org/wiki/OPAL
    
    
12. Opal
    The mineraloid `opal` is amorphous SiO2`÷`n`H2O, hydrated silicon dioxide. The water content is usually between three and ten percent, but can be as high as 20%. Opal ranges from clear through white, gray, red, yellow, green, shore, blue, magenta, brown, and black. Of these hues, red and black are the most rare and dear, whereas white and green are the most common; these are a function of growth size into the red and infrared wavelengths`see prec...
    Found on http://en.wikipedia.org/wiki/Opal
    
    
13. OPAL
    `OPAL` (`Open Pool Australian Lightwater reactor`) is a 20 megawatt pool-type nuclear research reactor that was officially opened in April 2007 at the Australian Nuclear Science and Technology Organisation (ANSTO) Research Establishment at Lucas Heights in south Sydney, Australia.
    Found on http://en.wikipedia.org/wiki/OPAL
    
    
14. Opal
    • (n.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.
    Found on http://thinkexist.com/dictionary/meaning
    
    
15. opal
    silica mineral extensively used as a gemstone, a submicrocrystalline variety of cristobalite (q.v.). In ancient times opal was included among the ... [3 related articles]
    Found on http://www.britannica.com/eb/a-z/o/22
    
    
16. Opal
    Opal is a English girl name. The meaning of the name is `Precious Jewel` Where is it used? The name Opal is mainly used In English.How do they say it elsewhere? Opaline ( In English) From Old English. Opal doesn`t appear In 2007`s top-1000 name list.The last time Opal appeared In the top-1000 was 48 years ago, In 1960. It ranked #920 In that year.
    Found on http://i-am-pregnant.com/names/girls/Opa
    
    
17. OPAL
    (Orbiting PicoSat Launcher) A small Stanford University satellite, launched from the JAWSAT payload adaptor on Jan. 26, 2000, and which in turn deployed six even smaller picosatellites. Two of these picosatellites were tethered and built by the Aerospace Corporation for ARP...
    Found on http://www.daviddarling.info/encyclopedi
    
    
18. opal
    Opal. Credit: Wikipedia A cryptocrystalline variety of porous hydrated silica, deposited from aqueous solution in all kinds of rocks, and also formed by replacement of other minerals. Opals are variously colored; the best gem varieties are translucent, with milky or pearly opalescence and iride...
    Found on http://www.daviddarling.info/encyclopedi