Aa

noun

/ˈɑː.ɑː/

Word Frequency: 6.3

Definitions

1.nounA 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.

Synonyms

alcoholics anonymous associate in arts pdgf trna crystallin helly bb lava scoria clinker slag basalt

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