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3 dictionary results for: placer mining
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
[plas-er] 
plac⋅er
1 [plas-er] –noun Mining.
| 1. | a surficial mineral deposit formed by the concentration of small particles of heavy minerals, as gold, rutile, or platinum, in gravel or small sands. |
| 2. | the site of a form of mining (placer mining) in which a placer deposit is washed to separate the gold or other valuable minerals. |
Origin:
1835–45, Americanism; < AmerSp; Sp: sandbank < Catalan placel, deriv. of plaza open place; see plaza
1835–45, Americanism; < AmerSp; Sp: sandbank < Catalan placel, deriv. of plaza open place; see plaza
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
| placer mining
n. The obtaining of minerals from placers by washing or dredging. placer miner n. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
WordNet - Cite This Source - Share This
| placer mining | |
noun | |
| mining valuable minerals from a placer by washing or dredging |
WordNet® 3.0, © 2006 by Princeton University.
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