aa

From Hawaiian ʻaʻā.

• a'a

• (Received Pronunciation) IPA^(key): /ˈɑː.ɑː/, enPR: äʹä
• (General American) IPA^(key): /ˈɑ.ɑ/

aa (uncountable)

1. (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 19^th 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.

   • 1944, Charles A. Cotton, Volcanoes as landscape forms:

     Cooling and solidification frequently takes a different course [...] in lava flows, producing the clinker-like ‘aa’ lava.

   • 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.

Abbreviation.

aa

1. Initialism of acetic acid.
2. Initialism of acting age.
3. (medicine) Initialism of alveolar-arterial.
4. Initialism of aminoacetone.
5. Initialism of amino acid.
6. Initialism of approximate absolute.
7. Initialism of arachidonic acid.
8. Initialism of armature accelerator.
9. Initialism of ascending aorta.
10. Initialism of atomic absorption.
11. Initialism of author's alteration.
12. Initialism of average audience.

aa (comparative more aa, superlative most aa)

1. Initialism of arctic-alpine.
2. Initialism of always afloat.

Compare pp.

aa pl (plural only)

1. Abbreviation of adjectives.
2. Abbreviation of arteries.

Contraction.

aa

1. Abbreviation of ana (“of each, equal parts”).

aa

1. come

aa (plural [please provide])

1. The name of the Latin-script letter A.

aa

1. to open
2. to be open
3. to open mouth

• W. Ivens, Bugotu-English/English-Bugotu Concise Dictionary (1998)

aa f (plural aa's, diminutive aatje n)

1. (especially in names) Alternative spelling of a

aa

1. An interjection expressing recognition -

   Aa, see oled sina.

   Oh, it's you.

2. An interjection expressing understanding -

   Aa, saan aru.

   Ah, I understand.

aa (genitive aa, partitive aad)

1. The name of the Latin-script letter A.

• aa in Eesti keele seletav sõnaraamat

• IPA^(key): /ˈɑː/, [ˈɑː]

• Audio

  (file)

aa

1. a (The name of the Latin-script letter A.)

• Speakers often use the corresponding forms of a-kirjain ("letter A, letter a") instead of inflecting this word, especially in plural.

• a-kirjain

From Hawaiian ʻaʻā.

• IPA^(key): /a.a/

aa m (plural aas)

1. (geology, often attributive) The surface of an aa lava flow.

Borrowed from Hawaiian ʻaʻā.

• IPA^(key): /ˈa.a/
• Stress: àa
• Hyphenation: a‧a

aa f (invariable)

1. (volcanology) aa (type of lava flow)

   Synonym: afrolite

• aa in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana
• aa in Dizionario Italiano Olivetti

aa

1. Rōmaji transcription of ああ

From Latin ārea. Compare Italian aia.

aa f (plural [please provide])

1. farmyard
2. threshing floor

aa

1. yeah, uh-huh (expression of agreement, understanding)

   - Vai vēlies ēst? – Aa. ― - Do you want to eat? - Yeah.

Compare Russian ага (aga), and English uh-huh.

• (aà) IPA^(key): /ɐ.ɐ/
• (aã) IPA^(key): /ɐ.aː/

aà, aã

1. yeah, uh-huh (expression of agreement)
   • - Ar̃ nóri válgyti? – Aà.

     - Do you want to eat? - Yeah.

• taip

• aa in Lietuvių kalbos žodynas, lkz.lt

• IPA^(key): /ˈɔː/

aa

1. no, not, without

• na, naa

From Old Irish óa, comparative form of óc, from Proto-Celtic *yowankos (compare Welsh ieuanc), from Proto-Indo-European *h₂yuh₁n̥ḱós (compare English young).

• IPA^(key): /ɛː/

aa

1. comparative degree of aeg (“young, adolescent, immature”)

• IPA^(key): /ˈa.a/, /aː/

aa

1. Alternative form of a (third-person singular present indicative of mynet).

aa

1. Obsolete spelling of å

aa

1. Contraction of a a (“to/at the”).
   • 13th century, attributed to Alfonso X of Castile, Cantigas de Santa Maria, E codex, cantiga 294 (facsimile):

     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.

• Galician: á
• Portuguese: à

From Latin ala (“wing”).

aa f

1. wing
   • 13th century, attributed to Alfonso X of Castile, Cantigas de Santa Maria, E codex, cantiga 142 (facsimile):

     ⁊ dun gran colbe aa lle britou

     And with a powerful blow, broke its wing

• Galician: á
• Portuguese: á

From Old High German ouh, from Proto-Germanic *auk; cognate with German auch, Dutch ook, Old English ēac.

• auch (literary)

aa

1. also
   • 1908, Astor C. Wuchter, “Die Mudderschprooch”, in Earl C. Haag, editor, A Pennsylvania German Anthology, page 56:

     […] Datt sin aa Mensche, graad wie do […]

     There are people there too, just like here

From Old High German ana, from Proto-Germanic *ana, from Proto-Indo-European *h₂en- (“up, on high”). Compare German an, Dutch aan, English on.

aa

1. on
2. to

aa

1. Alternative form of a'

aa (not comparable)

1. Alternative form of a'

aa (uncountable)

1. Alternative form of a'

aa

1. older brother

From Chinese.

• IPA^(key): /ʔa.ˈaʔ/

aâ

1. (childish) dirty things; filth (especially feces)

• umaa

• dumi

• IPA^(key): /ˈʔa.a/

aa

1. an exclamation expressing warning

• hala
• sige

• IPA^(key): /ɑː/

aa

1. yep, yeah
2. aha, uh-huh

aa (genitive [please provide], partitive [please provide])

1. The name of the Latin-script letter A.

This noun needs an inflection-table template.