cryovolcano.

A volcanic structure that releases water, ammonia, methane, or other volatile material rather than molten rock.

Use it for

Words that belong together

• active cryovolcano
• cryovolcanic plume

On the page

The cryovolcano sent a pale plume above the icy plain.

Fresh deposits surrounded the suspected cryovolcano.

Usage notes

Primary category: sci-fi. Forms: Singular: cryovolcano; plural: cryovolcanoes or cryovolcanos. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.