What does AA stand for?

Arithmetical Average

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

<< Previous	Abbreviation Database Surfer		Next >>
Aptitude Area Arachidonic Acid Arboricultural Association (Hampshire, England) Archery Australia Architectural Association (London, England) Architecture d'Aujourd'hui (French: Architecture Today; magazine) Area of Action Argentum Astrum (Aleister Crowley's Mystical Fraternity) Arithmetic Accuracy Arithmetic Average		Arlington Annex Building (Virginia) Armature Accelerator Armed Forces Americas Armies in the Atlantic (used with APO/FPO) Army Ants Arn Anderson (pro wrestler) Arnold Arboretum (Harvard University) Aromatic Amine (chemical for industrial crop production) Arrival Angle Arsenal do Alfeite (Portuguese: Arsenal of Alfeite)

Samples in periodicals archive:

Mid-swaps are an arithmetical average of the bid and offer interest rate quoted in trade between banks.

United States: Gazprom launches $500 mln 5-year Eurobond

Plastic powder particles over 5 mm are plate-shaped and their aspect and roundness are calculated as the arithmetical average of two images (flatwise and alongside).

Reprocessing technology of composite plastic scrap and properties of ...

There are different ways to compute length of stay statistics, including arithmetical average (or mean) and median, the point at which there are equal numbers of cases below and above the midpoint.

'Drive-by hospice' claims victims on both sides of the sick bed

The ``Applicable Rate'' was determined by taking the highest of the Treasury Bill Rate, the Ten Year Constant Maturity Rate and the Thirty Year Constant Maturity Rate multiplied by 110 percent, based on the arithmetical average of the two most recent weekly per-annum market discount rates prior to the last 10 calendar days of September 1996.

Public Storage announces dividend on the Adjustable Rate Cumulative ...