Last Updated
：2025/11/19
aa
IPA(Pronunciation)
Noun
uncountable
Japanese Meaning
ハワイ型の火山に特徴的な玄武岩質の溶岩流で、通常は暗い色をしており、不規則で粗い（塊状の）表面をしている。パホエホエと対照的な性質を持つ。
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(volcanology) A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.
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aa
After the eruption, the field team carefully photographed the newly formed aa to document its jagged, clinkery surface.
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After the eruption, the field team carefully photographed the newly formed aa to document its jagged, clinkery surface.
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