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stratovolcano

[strey-toh-vol-key-noh, strat-oh-]
noun, plural stra·to·vol·ca·noes stra·to·vol·ca·nos.
  1. a large, steep volcano built up of alternating layers of lava and ash or cinders.
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Also called composite volcano.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for stratovolcano

n.

coined in German (von Seebach, 1866), from strato-, comb. form of stratus (see stratum) + volcano. So called for its composite structure.

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Online Etymology Dictionary, © 2010 Douglas Harper
stratovolcano in Science

stratovolcano

[străt′ō-vŏl-kā′nō]
  1. See under volcano.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.