Definition of "lava-stream" [lava-stream]

• A flow of lava while it is still molten: also, congealed and cold lava which originally flowed in a stream. (noun)

The Century Dictionary (Public Domain)

• "The volcanoes were, therefore, of the explosive type; and from all his observations he had concluded that the absence of lava-flows was due to the material within the crater being partly solid, or at least highly viscous, so that it could not flow like an ordinary lava-stream."
• "St. Catalina, a populous and thriving town, was first overflowed by a lava-stream, and then a new crater burst forth on its very site, raising over it a hill 400 feet high."
• "When the lighter superficial lava is brought suddenly into contact with water, as when a lava-stream enters the sea, it becomes still lighter and more porous -- forming the well-known substance called pumice, so much used for polishing."