noun
EXAMPLES FROM CORPUS
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About a million tons of lava are pouring every day from the fissure which opened on the Sicilian volcano in December.
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Ahead lay a large fissure in the ice, three feet across.
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Even within Anglican evangelicalism fissures appeared.
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They suggest heaven and earth are the product of a primal fissure .
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This meant that the magma that fed the fissures of the second phase was almost completely de-gassed, hence its quiet emission.