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shield volcano
[ sheeld vol-key-noh ]
noun
, Geology.
- a volcano formed entirely from accumulated flows of fluid lava, growing a few feet at a time and giving the volcano its broad, gently sloping profile.
shield volcano
noun
- a broad volcano built up from the repeated nonexplosive eruption of basalt to form a low dome or shield, usually having a large caldera at the summit
shield volcano
- See under volcano
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Word History and Origins
Origin of shield volcano1
First recorded in 1910–15; translation of German Schildvulkan, from the resemblance of the volcano to an upturned circular shield
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