super-eruption
/ˌsuːpərˌɪˈrʌpʃn/ /ˌsjuːpərˌɪˈrʌpʃn/noun
1 Dentistry. = overeruption.
2 Geology. A volcanic eruption of exceptionally great power; the eruption of a supervolcano.
Origin
Early 20th century. From super- + eruption. In later use in sense 2 perhaps influenced by supervolcano (which is first attested slightly later).
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- Robinson, Heath
- robinsonite