noun🔗ShareアールAn accepted (but deprecated and rarely used) SI unit of area equal to 100 square metres, or a former unit of approximately the same extent. Symbol: a.""The small community garden was measured as just over two ares in size, though modern measurements would use square meters instead." "小さなコミュニティガーデンは、広さが2アール強と測定されましたが、現代の測定では代わりに平方メートルが使用されます。areaunitmathscienceChat with AIVocabulary GamePractice Reading