aa.
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.
Meaning & usage
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.
Where this word comes from
Etymology tree Proto-Polynesian *kaha Proto-Polynesian *kakaha Hawaiian ʻaʻābor. English aa Borrowed from Hawaiian ʻaʻā.
I.
Initialism of acetic acid.
Initialism of acting age.
Initialism of alveolar-arterial.
Initialism of aminoacetone.
Initialism of amino acid.
Initialism of approximate absolute.
Initialism of arachidonic acid.
Initialism of armature accelerator.
Initialism of ascending aorta.
Initialism of atomic absorption.
Initialism of author's alteration.
Initialism of average audience.
Where this word comes from
Abbreviation.
Initialism of arctic-alpine.
Initialism of always afloat.
Where this word comes from
Abbreviation.
Abbreviation of adjectives.
Abbreviation of arteries.
Where this word comes from
Compare pp.
Abbreviation of ana (“of each, equal parts”).
Where this word comes from
Contraction.
Try it on your idea.
aa has 2 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.