[ strey-toh-vol-key-noh, strat-oh- ]
/ ˌstreɪ toʊ vɒlˈkeɪ noʊ, ˌstræt oʊ- /

noun, plural stra·to·vol·ca·noes stra·to·vol·ca·nos.

a large, steep volcano built up of alternating layers of lava and ash or cinders.

Nearby words

  1. stratocracy,
  2. stratocumulus,
  3. stratopause,
  4. stratosphere,
  5. stratospheric,
  6. stratton,
  7. stratum,
  8. stratum compactum,
  9. stratum corneum,
  10. stratum functionale

Also called composite volcano. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for stratovolcano



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

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for stratovolcano


[ străt′ō-vŏl-kānō ]

See under volcano.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.