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What does AA stand for?

AA stands for Arnold Arboretum (Harvard University)

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

  • Science, medicine, engineering, etc.
  • Organizations, NGOs, schools, universities, etc.

See other definitions of AA

Other Resources:
We have 149 other meanings of AA in our Acronym Attic

Samples in periodicals archive:

The yellow-flowered "Arnold Promise" introduced by the Arnold Arboretum is one of the best.
Still, the environmental concerns discussed at the Harvard Divinity School seldom connected to the environmental issues that were then being discussed at the Kennedy School of Government, the Harvard School of Public Health, and the Arnold Arboretum.