English Dictionary

volcanic bomb

名詞

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

日本語の意味

火山噴出の際に、粘性のある溶岩が破砕され、直径64mm以上の粒子として放出される火山噴出物（火山弾）

A volcanic bomb crashed through the roof of the abandoned cabin during the eruption.

噴火の際に粘性の溶岩が噴出して直径64 mm（2.5インチ）以上になった塊、つまり火山弾が廃屋の屋根を突き破った。

意味（1）

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

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

volcanic bombs （ plural ）