aa

(redirected from AA Rating)
Also found in: Dictionary, Thesaurus, Medical, Financial.

aa

(ä`ä): see lavalava
, molten rock that erupts on the earth's surface, either on land or under the ocean, by a volcano or through a fissure. It solidifies into igneous rock that is also called lava.
..... Click the link for more information.
.

Aa

(ä) [from a word for "water" of the same Indo-European root as Lat. aqua], name of many small streams of N Europe and Switzerland. Aa, or a derivative of it, is a component part of hundreds of European place names.

aA

(electricity)

AA

(ordnance)

AA

Abbr. for the “Architectural Association, ” the largest school of architecture in England; address 34–36 Bedford Square, London, WC1B 3ES.

AA

(1) (Auto Answer) See modem.

(2) (Double A) A common single-cell battery used in myriad devices from flashlights to electronic equipment of all variety. Like its triple A (AAA) cousin, it provides 1.5 volts of DC power. When used in series, the voltage is multiplied. For example, four AA batteries yield 6 volts.
References in periodicals archive ?
The AA rating is the highest deployment category a product can receive, and we applaud STC because very few enterprise application integration products that are marketed today are actually installed and running at customer sites," said Nina Lytton, president of Open Systems Advisors (OSA) and editor, Crossroads A-List Awards.
STC received the AA rating with references from its customer base, including Genesis Direct, a database-driven specialty retailer that is using STC's DataGate enterprise application integration technology to link more than half-a-dozen applications, including order entry, shipping, warehouse, customer databases and financial databases.