(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. [From 19th c.]
1859, R. C. Haskell, American journal of science and arts, series XXVIII
We...saw ‘pahoihoi’ or solid lava forming, and also ‘aa’ or clinkers.
1981, Hilo Lava Flood Control: Environmental Impact Statement, page 194:
Both pahoehoe and aa lava flows are common on the upper slopes of Mauna Loa with a preponderance of aa flows found at the lower elevations.
Translations
Etymology 2
Abbreviation.
Noun
aa
Initialism of acetic acid.
Initialism of acting age.
(medicine)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.
Adjective
aa (not comparable)
Initialism of arctic-alpine.
Initialism of always afloat.
Etymology 3
Compare pp.
Noun
aapl (plural only)
Abbreviation of adjectives.
Abbreviation of arteries.
Etymology 4
Contraction.
Adjective
aa
Abbreviation of ana(“of each, equal parts”).
Acholi
Verb
aa
come
Afrikaans
Noun
aa (plural [please provide])
The name of the Latin-script letter A.
Bughotu
Verb
aa
to open
to be open
to open mouth
References
W. Ivens, Bugotu-English/English-Bugotu Concise Dictionary (1998)
Dutch
Pronunciation
Noun
aaf (pluralaa's, diminutiveaatjen)
(especially in names)Alternative spelling of a
Estonian
Interjection
aa
An interjection expressing recognition -
An interjection expressing understanding -
Noun
aa (genitiveaa, partitiveaad)
The name of the Latin-script letter A.
Further reading
aa in Eesti keele seletav sõnaraamat
Finnish
Etymology 1
A long vowel corresponding to the vowel the letter represents, as in many other languages.
Pronunciation
IPA(key): /ˈɑː/, [ˈɑː](aa auto aamu ananas aa)
Rhymes: -ɑː
Syllabification: aa
Noun
aa
a (The name of the Latin-script letter A.)
Usage notes
Speakers often use the corresponding forms of a-kirjain ("letter A, letter a") instead of inflecting this word, especially in plural.
Declension
Synonyms
a-kirjain
Etymology 2
Either crosslinguistic or borrowed from any of the many European languages it appears in.
Pronunciation
IPA(key): /ˈɑː/, [ˈɑː]
Rhymes: -ɑː
Syllabification: aa
Interjection
aa
oh, ah (expression of recognition, realization, understanding, etc.)
French
Etymology
From Hawaiianʻaʻā.
Pronunciation
IPA(key): /a.a/
Noun
aam (pluralaas)
(geology, often attributive) The surface of an aa lava flow.
Inupiaq
Etymology 1
Interjection
aa
yes, I know
I agree: expresses listener's agreement with storyteller or speaker
Derived terms
Etymology 2
Interjection
aa
expresses exasperation, criticism or dismay over what another person does or says, said in breathy voice
expression of surprise or awe
Derived terms
Italian
Etymology
Borrowed from Hawaiianʻaʻā.
Pronunciation
IPA(key): /ˈa.a/
Hyphenation: à‧a
Noun
aaf (invariable)
(volcanology)aa(type of lava flow)
Synonym:afrolite
References
aa in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana
aa in Dizionario Italiano Olivetti
Japanese
Romanization
aa
Rōmaji transcription of ああ
Ladin
Etymology
From Latinārea. Compare Italianaia.
Noun
aaf (plural [please provide])
farmyard
threshing floor
Latvian
Interjection
aa
yeah, uh-huh (expression of agreement, understanding)
Lithuanian
Etymology
Compare Russianага(aga), and Englishuh-huh.
Pronunciation
(aà) IPA(key): /ɐ.ɐ/
(aã) IPA(key): /ɐ.aː/
Interjection
aà, aã
yeah, uh-huh (expression of agreement)
Synonyms
taip
Further reading
aa in Lietuvių kalbos žodynas, lkz.lt
Lun Bawang
Pronunciation
IPA(key): /ˈɔː/
Determiner
aa
no, not, without
Synonyms
na, naa
Manx
Etymology
From Old Irishóa, comparative form of óc, from Proto-Celtic*yowankos (compare Welshieuanc), from Proto-Indo-European*h₂yuh₁n̥ḱós (compare Englishyoung).
Pronunciation
IPA(key): /ɛː/
Adjective
aa
comparative degree of aeg(“young, adolescent, immature”)
Middle Welsh
Pronunciation
IPA(key): /ˈa.a/, /aː/
Verb
aa
Alternative form of a(third-person singular present indicative of mynet).
Murui Huitoto
Pronunciation
IPA(key): [ˈaː]
Adverb
aa
up, above
References
Katarzyna Izabela Wojtylak (2017) A grammar of Murui (Bue): a Witotoan language of Northwest Amazonia.[1], Townsville: James Cook University press (PhD thesis)
Ivar Aasen (1850) , “aa”, in Ordbog over det norske Folkesprog, Oslo: Samlaget, published 2000
Old Portuguese
Etymology 1
Contraction
aa
Contraction of a a(“to/at the”).
Como hũa moller q̇ iogaua os dados en pulla lançou hũa pedra aa omagen de ſ[ant]a mari[a] por q̇ perdera ⁊ parou un angeo de pedra que y eſtava a mão ⁊ reçibiu o colpe.
How a woman who was playing dice in Apulia threw a stone at the statue of Holy Mary because she had lost, and an angel of stone which was there reached out its hand and received the blow.
Descendants
Galician: á
Portuguese: à
Etymology 2
From Latinala(“wing”).
Noun
aaf
wing
Descendants
Galician: á
Portuguese: á
Pennsylvania German
Etymology 1
From Old High Germanouh, from Proto-Germanic*auk; cognate with Germanauch, Dutchook, Old Englishēac.
Alternative forms
auch(literary)
Adverb
aa
also
Etymology 2
From Old High Germanana, from Proto-Germanic*ana, from Proto-Indo-European*h₂en-(“up, on high”). Compare Germanan, Dutchaan, Englishon.
Preposition
aa
on
to
Scots
Determiner
aa
Alternative form of a'
Adverb
aa (not comparable)
Alternative form of a'
Noun
aa (uncountable)
Alternative form of a'
Sundanese
Noun
aa
older brother
Tagalog
Etymology 1
From Chinese.
Pronunciation
IPA(key): /ʔa.ˈaʔ/
Noun
aâ
(childish) dirty things; filth (especially feces)
Derived terms
umaa
Synonyms
dumi
Etymology 2
Pronunciation
IPA(key): /ˈʔa.a/
Interjection
aa
an exclamation expressing warning
Related terms
hala
sige
Votic
Pronunciation
IPA(key): /ɑː/
Etymology
Interjection
aa
yep, yeah
aha, uh-huh
Võro
Noun
aa (genitive [please provide], partitive [please provide])