 mount_st._helens |
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| 1. | [ noun ] (geography) an active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity | |
| Synonyms: | Mt._St._Helens Mount_Saint_Helens | |
| Related terms: | volcano Washington Cascades | |
| Similar spelling: |
Mount_Saint_Helens mount_sherman |
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