あ 亜 LinksSentence search for 亜Sentence search for あSentence search for アKanji details for 亜Edit in JMdict Prefix1. sub-; second-rate; inferiorPrefix2. -ous (indicating a low oxidation state); -iteChemistryNoun3. AsiaAbbreviation, See also 亜細亜 アジアNoun4. ArgentinaAbbreviation, See also 亜爾然丁 アルゼンチンNoun5. ArabiaAbbreviation, See also 亜剌比亜 アラビアNoun6. America; American personAbbreviation, Obsolete term, See also 亜米利加 アメリカ, See also 米 べい, used in Meiji era, now replaced by 米Other formsア Discussions Log in to talk about this word.