Aetna(redirected from Aetna Incorporated)
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Aetna,volcano: see EtnaEtna
, volcano, 10,958 ft (3,340 m) high, on the east coast of Sicily, S Italy. One of the most active volcanoes in the world, it also is the highest active volcano in Europe. The shape and height of its central cone have often been changed by eruptions.
..... Click the link for more information. , Italy.