aerenchymaPronunciation: /ɛːˈrɛŋkɪmə/Definition of aerenchyma noun [mass noun] Botany a soft plant tissue containing air spaces, found especially in many aquatic plants. Derivatives aerenchymatous adjective Origin: late 19th century: from Greek aēr 'air' + enkhuma 'infusion'aerenchyma in other Oxford dictionaries Definition of aerenchyma in the US English dictionary
