maar

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maar

 (mär)
n.
A broad, shallow, generally flat-floored volcanic crater of explosive origin that is often filled with water.

[German, from Vulgar Latin *mara, standing water, lake, from Latin mare, sea; see mare2.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

maar

(mɑː)
n, pl maars or maare (ˈmɑːrə)
(Physical Geography) (sometimes capital) a coneless volcanic crater that has been formed by a single explosion
[C19: from German]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.maar - a flat-bottomed volcanic crater that was formed by an explosionmaar - a flat-bottomed volcanic crater that was formed by an explosion; often filled with water
crater, volcanic crater - a bowl-shaped geological formation at the top of a volcano
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References in periodicals archive ?
Using the most modern methodological approach, they analysed sediments from Lake Meerfelder Maar, a maar lake in the Eifel/Germany, to determine annual variations in climate proxies and solar activity.
The crater produced during those eruptions, measured from rim to rim across the maar lake, is 8 km long by 6 km wide, as much as 200 m deep, and covers over 30 km2