- cryptovolcanic
[cryptovolcanic 词源字典]
- "Of a phenomenon or structure (especially a crater): apparently volcanic but occurring or formed in the absence of evident volcanic activity", Early 20th cent.; earliest use found in Nature: a weekly journal of science. From crypto- + volcanic, after German kryptovulkanisch.[cryptovolcanic etymology, cryptovolcanic origin, 英语词源]