English dictionary: words starting with aa

noun

Basaltic lava forming very rough, jagged masses with a light frothy texture.

Usage examples:

Roads of black ash traverse it, winding through the otherwise untraversable aa.

abbreviation

Alcoholics anonymous.

abbreviation

(in the uk) amateur athletic association.

adjective

Used by ratings agencies (= organizations that calculate the level of risk of investments) to describe bonds, etc. with a very low risk of not being paid back

Usage examples:

The fund was awarded an aaa rating by a wall street bond house.

noun

Abbreviation for american automobile association: an organization in the us that gives help and information to drivers who are members of it

exclamation

Another spelling of ah

noun

Basaltic lava forming very rough, jagged masses with a light frothy texture.

Usage examples:

Roads of black ash traverse it, winding through the otherwise untraversable aa.

abbreviation

Alcoholics anonymous.