volcanic bomb
Noun
Meaning
volcanic bomb (plural volcanic bombs)
(volcanology) A tephra, larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption.
Synonym: lava bomb
Noun
volcanic bomb (plural volcanic bombs)
(volcanology) A tephra, larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption.
Synonym: lava bomb