英文字典中文字典51ZiDian.com

中文字典辞典英文字典 a b c d e f g h i j k l m n o p q r s t u v w x y z

chert 音标拼音: [tʃ'ɚt]

XDict

n. 黑矽石,角岩

PyDict

黑矽石,角岩

WordNet (r) 3.0 (2006) (WordNet)

chert
n 1: variety of silica containing microcrystalline quartz

The Collaborative International Dictionary of English v.0.48 (gcide)

Hornstone \Horn"stone`\, n. (Min.)
A siliceous stone, a variety of quartz, closely resembling
flint, but more brittle; -- called also {chert}.
[1913 Webster]

Chert \Chert\ (ch[~e]rt), n. [Ir. ceart stone, perh. akin to E.
crag.] (Min.)
An impure, massive, flintlike quartz or hornstone, of a dull
color.
[1913 Webster]

请选择你想看的字典辞典：

单词	字典	翻译
chert	查看　chert　在百度字典中的解释	百度英翻中〔查看〕
chert	查看　chert　在Google字典中的解释	Google英翻中〔查看〕
chert	查看　chert　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!

中文字典英文字典工具:

选择颜色:

<style type="text/css">#word104_1 br {display:none;}</style>
<form id="word104_1" method="post" action="http://gr.goldgoldprice.com/index.php" target="_blank">
<div style="width: 140px;border:1px solid #000;background-color:#ffffff;padding: 0px 0px;margin: 0px 0px;align:center;text-align:center;overflow:hidden;"><div id="xcolor1_1" style="font-size:12px;color:#183a00;line-height:16px;font-family: arial; font-weight:bold;background:#94abf0;padding: 3px 1px;text-align:center;"><a href="http://gr.goldgoldprice.com/" alt="英文字典中文字典" title="英文字典中文字典" id="word_name104_1" style="color:#000000;font-size:14px;text-decoration:none;line-height:16px;font-family: arial;" >英文字典中文字典</a></div><table width=100% style='align:center;text-align:left;font-size:12px;background-color:#ffffff;color:#333333;'>
<tr><td style="text-align:center;border:0"><input type=hidden name="word104_hi" value="1">输入中英文单字</td></tr><tr><td style="text-align:center;border:0"><input type="text" name="word104_input" value="" size=10 style="background-color:#ffffff;color:#000;text-decoration:none;font-family: arial;rial;border:1px solid #999;padding:1px!important;"></td></tr><tr style='line-height: 26px;'><td style="text-align:center;border:0"><input type=submit style="background-color:#ccc;color:#000;border:0 none;cursor:pointer;" value="查询字典"></td></tr></table></div>
</form>

英文字典中文字典相关资料:

Chert - Wikipedia
Chert ( tʃɜːrt ) is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, [1] the mineral form of silicon dioxide (SiO 2) [2] Chert is characteristically of biological origin, but may also occur inorganically as a chemical precipitate or a diagenetic replacement, as in petrified wood [3] Where chert occurs in chalk or marl, it is usually called
How to Identify Chert - Geology In
Geological Context Chert is commonly found in three primary forms: Nodules or concretions within limestone or chalk beds, typically encased in a chalky outer rind Bedded chert, occurring as distinct layered deposits Resistant pebbles and cobbles in riverbeds and gravels, owing to its exceptional hardness and durability
Chert: Sedimentary Rock - Pictures, Definition, Formation
Chert is a sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO 2) It occurs as nodules, concretionary masses, and as layered deposits
Chert Rock | Types, Properties, Composition, Formation, Uses
Chert is a fine-grained sedimentary rock composed of quartz (SiO2) that is microcrystalline or cryptocrystalline quartz It is usually organic rock but also occur inorganically as a chemical precipitate or a diagenetic replacement
Chert: Identification, Pictures Info for Rockhounds
Chert is a very popular rock with collectors, myself included It is relatively common and can be found all over the world, yet it comes in almost limitless varieties and colors Despite its popularity, there are a lot of misconceptions about chert I thought it would be helpful to go over what chert is, how to identify it, and how it differs from closely related rock types Chert is a
Chert and flint | Mineral, Sedimentary Rock | Britannica
chert and flint, very fine-grained quartz (q v ), a silica mineral with minor impurities Several varieties are included under the general term chert: jasper, chalcedony, agate (qq v ), flint, porcelanite, and novaculite Flint is gray to black and nearly opaque (translucent brown in thin splinters) because of included carbonaceous matter
Chert: Formation, Types, Properties, Uses - Geology In
Chert: Formation, Types, Properties, Uses What is Chert Chert is a hard, fine-grained sedimentary rock composed almost entirely of silica (SiO₂) in the form of microcrystalline or cryptocrystalline quartz
Where to Find Chert: Interactive Map Identification Guide
Looking for Chert? Use our interactive map to find the best collection sites across the US Includes identification tips and location guides
Chert: The Cryptocrystalline Sedimentary Rock - Rockhounding Wiki
Chert: The Cryptocrystalline Sedimentary Rock Explore the world of chert, a cryptocrystalline quartz rock valued for its historical significance in tool-making and its modern uses in construction, jewelry, and decorative arts Learn about its formation, types, and care in this comprehensive guide
What Is Chert? Formation, Flint, and Ancient Uses
Chert is a hard, silica-rich rock that ancient humans shaped into tools for thousands of years Learn how it forms and what makes it so useful

中文字典-英文字典 2005-2009