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volcanic bomb

Noun CEFR B2

Definitions

A tephra, larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption.

Equivalents

6 more languages

Examples

“Fragment of a spherical volcanic bomb, with the interior parts coarsely cellular, coated by a concentric layer of compact lava, and this again by a crust of finely cellular rock”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

volcanic cone volcanic field volcanic glass volcanic lightning volcanic neck volcanic pipe

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