cryovolcanism en · NOUN
Etymology
Etymology tree Ancient Greek κρῠ́ος (krŭ́os)lbor. English cryo- English volcanism English cryovolcanism From cryo- + volcanism.
Meanings
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(uncountable) The activity, and associated phenomena, of a cryovolcano – a volcano that ejects volatile materials rather than magma.
Possible explanations include floods of liquid water, ice-based volcanic activity (termed cryovolcanism), or even some form of tectonic system. […] Voyager also found evidence of cryovolcanism on Neptune's moon Triton.
2015 March 12, John Timmer, “Jupiter’s moon Ganymede has a salty subsurface ocean, too”, in Ars Technica:Sites of cryovolcanisms on the surface, where this ammonia and water mixture reaches the surface, are possible locations for life that lives in liquid water but can tolerate ammonia.
2009, Robert Brown, Jean Pierre Lebreton, Jack Waite, Titan from Cassini-Huygens, Springer Science & Business Media, →ISBN, page 228:Cryovolcanism helped explain odd features on moons of Saturn and Uranus as well.
1990 August, Rick Gore, “Neptune: Voyager's Last Picture Show”, in National Geographic, volume 178, number 2, page 47: