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placer
9 dictionary results for: placer
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
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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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
| place
(plās) Pronunciation Key
n.
v. tr.
To be among those who finish a competition or race, especially to finish second. Phrasal Verb(s): place out To qualify for a waiver of a requirement or prerequisite: placed out of a freshman composition class. Idiom(s): all over the place In or to many locations; everywhere: Film is sold all over the place. Idiom(s): in place
Idiom(s): in place of Instead of. Idiom(s): keep/know (one's) place To recognize one's social position and act according to traditional decorum. Idiom(s): place in the sun A dominant or favorable position or situation. [Middle English, from Old English plæce and Old French place, open space (from Medieval Latin placea, from Vulgar Latin *plattea), both from Latin platēa, broad street, from Greek plateia (hodos), broad (street), feminine of platus; see plat- in Indo-European roots.] place'a·ble adj., plac'er 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.
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Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Dictionary - Cite This Source - Share This
| plac·er
(plās'ər) Pronunciation Key
n.
[Spanish, shoal, placer, from Catalan placer, shoal, from plassa, place, from Medieval Latin placea; see place.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
| placer | |
noun | |
| an alluvial deposit that contains particles of some valuable mineral |
WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
| placer
(plās'ər) Pronunciation Key
A surface deposit of minerals, such as gold or magnetite, laid down by a river. The minerals are usually concentrated in one area because they are relatively heavy and therefore settle out of the river's currents more quickly than lighter sediments such as silt and sand. ◇ The extraction of minerals from placers, as by panning, washing, or dredging, is called placer mining. |
The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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U.S. Gazetteer - Cite This Source - Share This
Placer, CA (County, FIPS 061)
Location: (38.971576, -120.947618)
Population (2000): 248,399 (107,302 housing units)
Area: 1404.367303 sq mi (land), 98.410589 sq mi (water)
U.S. Gazetteer, U.S. Census Bureau
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Placer
Pla"cer\, n. One who places or sets. --Spenser.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Placer
Plac"er\, n. [Sp.] A deposit of earth, sand, or gravel, containing valuable mineral in particles, especially by the side of a river, or in the bed of a mountain torrent. [U.S.]
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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