AA


Meaning of AA in English

/ah"ah/ , n.

basaltic lava having a rough surface.

Also, a'a . Cf. pahoehoe .

[ 1855-60; 'a'a ]

Symbol.

(in prescriptions) ana 2 .

Also, aa .

[ aná, with superscript bar repr. the nasal consonant ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .