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Definition 2024
Aa
Aa
See also: Appendix:Variations of "aa"
Translingual
Proper noun
Aa f
- A taxonomic genus within the family Orchidaceae – a group of orchids of cool climates in Latin America.
Hypernyms
- (genus): Plantae - kingdom; angiosperms, monocots - clades; Asparagales - order; Orchidaceae - family; Orchidoideae - subfamily; Cranichideae - tribe; Cranichidinae - subtribe
Hyponyms
- (genus): Aa paleacea - type species; for other species see Aa at The Plant List.
External links
- Aa (plant) on Wikipedia.Wikipedia
- Aa (Orchidaceae) on Wikispecies.Wikispecies
- Aa (Orchidaceae) on Wikimedia Commons.Wikimedia Commons
- Aa at the Catalogue of Life
- Aa at Encyclopedia of Life
- Aa at National Center for Biotechnology Information
- Aa at The Plant List
Etymology 2
Proper noun
Aa f
- A taxonomic subgenus within the family Euconulidae – a group of snails.
Hypernyms
- (subgenus): Euconulidae - family; Microcystinae - subfamily; Philonesia - genus
Hyponyms
- (subgenus): For species see Aa (ICZN) on Wikispecies.Wikispecies
Dutch
Pronunciation
Etymology
From Proto-Germanic *ahwō (“waters, river”), from Proto-Indo-European *h₂ekʷeh₂ (“water”); both natively, and through Dutch Low Saxon Aa and German Low German Aa (both from Old Saxon aha (“stream”)), and German Aa (from Old High German aha (“stream”)). For more information, see the English cognate ea.
Proper noun
Aa f
- the name of many small rivers and streams
German
Etymology 1
Pronunciation
- IPA(key): /ˌaˈʔa/
Noun
Aa n (genitive Aas, no plural)
Related terms
Declension
Declension of Aa (uncountable)
Etymology 2
Pronunciation
- IPA(key): /aː/
Proper noun
Aa f (genitive Aa)
- any of several rivers in Germany
Declension
Declension of Aa (uncountable)
Proper noun
Aa
- A surname.
aa
aa
See also: Appendix:Variations of "aa"
English
Alternative forms
Pronunciation
- (Received Pronunciation) IPA(key): /ˈɑː.ɑː/, enPR: ä'ä
- (US) IPA(key): /ˈɑ.ɑː/
- Rhymes: -ɑː
Noun
aa (uncountable)
- (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. [First attested in the mid 19th century.]
- 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.
- 1859, R. C. Haskell, American journal of science and arts, series XXVIII
Translations
a form of lava flow associated with Hawaiian-type volcanoes
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 (comparative more aa, superlative most aa)
Etymology 3
Compare pp.
Noun
aa pl (plural only)
- Abbreviation of adjectives.
- Abbreviation of arteries.
Etymology 4
Contraction.
Adjective
aa
- Abbreviation of ana (“of each, equal parts”).
Estonian
Interjection
aa
- An interjection expressing recognition -
- Aa, see oled sina.
- Oh, it's you.
- Aa, see oled sina.
- An interjection expressing understanding -
- Aa, saan aru.
- Ah, I understand.
- Aa, saan aru.
Noun
aa (genitive aa, partitive aad)
Finnish
Pronunciation
- IPA(key): /ˈɑː/
Noun
aa
Declension
Inflection of aa (Kotus type 18/maa, no gradation) | |||
---|---|---|---|
nominative | aa | aat | |
genitive | aan | aiden aitten |
|
partitive | aata | aita | |
illative | aahan | aihin | |
singular | plural | ||
nominative | aa | aat | |
accusative | nom. | aa | aat |
gen. | aan | ||
genitive | aan | aiden aitten |
|
partitive | aata | aita | |
inessive | aassa | aissa | |
elative | aasta | aista | |
illative | aahan | aihin | |
adessive | aalla | ailla | |
ablative | aalta | ailta | |
allative | aalle | aille | |
essive | aana | aina | |
translative | aaksi | aiksi | |
instructive | — | ain | |
abessive | aatta | aitta | |
comitative | — | aineen |
Usage notes
- Speakers often use the corresponding forms of a-kirjain ("letter A, letter a") instead of inflecting this word, especially in plural.
Synonyms
Lithuanian
Pronunciation
Etymology
Compare Russian ага (aga), and English uh-huh.
Interjection
aà, aã
Synonyms
Middle Welsh
Pronunciation
- IPA(key): /ˈa.a/, /aː/
Verb
aa
Old Portuguese
Etymology 1
Contraction
aa
- 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.
- 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.
- 13th century, attributed to Alfonso X of Castile, Cantigas de Santa Maria, E codex, cantiga 294 (facsimile):
Descendants
Etymology 2
Noun
aa f
- 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
- ⁊ dun gran colbe aa lle britou
- 13th century, attributed to Alfonso X of Castile, Cantigas de Santa Maria, E codex, cantiga 142 (facsimile):
Descendants
Pennsylvania German
Etymology 1
From Proto-Germanic *auk, like German auch.
Alternative forms
- auch (literary)
Adverb
aa
- 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
-
[…] Datt sin aa Mensche, graad wie do […]
-
Etymology 2
Preposition
aa
Scots
Determiner
aa
- Alternative form of a'
Adverb
aa (not comparable)
- Alternative form of a'
Noun
aa (uncountable)
- Alternative form of a'
Tagalog
Pronunciation
- IPA(key): /a.ˈaʔ/
Noun
aâ
Usage notes
- This word is used when speaking to small children about anything dirty and also used by the children themselves.