Light Abbreviations and Acronyms
-   AMArchangel Michael
-   AMAscended Master
-   AOAcoustic Optical
-   AOAmbient Occlusion
-   AOLArmy of Light
-   AOPDActive Optoelectronic Protective Device
-   AOTAtmospheric Optical Thickness
-   AOTFAcousto-Optical Tunable Filter
-   AOTFAcousto-Optical Tunable Filters
-   AOTFAcousto Optical Tunable Filter
-   AOTFAcousto Optic Tunable Filter
-   AOTFSAcousto-Optic Tunable Filters
-   APAntique Pewter
-   APCAmerican Products Company
-   APDAfferent Pupillary Defect
-   ARAdditgonal Review
-   ARAntique Rurt
-   ARAnisotropic Ratio
-   ARESAerospace Robotics and Embedded Systems
-   ARLSAmateur Radio Lighthquse Society
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