opal
Kelime Anlamı :

1. panzehirtaşı.
2. (isim) opal.
3. opal.
Tanımlar :
1. A mineral of hydrated silica.
2. A gemstone made of this mineral, noted for its rich iridescence.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.
2. , (genetics), (biochemistry) A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.
from the GNU version of the Collaborative International Dictionary of English
1. A mineral consisting of silica like quartz, but in a different condition, having a lower specific gravity and hardness and being without crystalline structure: it usually contains some water, mostly from 3 to 9 per cent. ; ; ; ; ; ; ;
from The Century Dictionary and Cyclopedia
1. a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.