"PMA" stands for multiple things depending on the context. Some of the most common meanings include:
- Positive Mental Attitude : A concept emphasizing optimism and positive thinking as a factor for success, introduced by Napoleon Hill in 1937
- Premarket Approval : The FDA's most stringent regulatory process for high-risk medical devices, ensuring their safety and effectiveness before marketing
- Parts Manufacturer Approval : A U.S. government certification for manufacturers of aircraft parts
- Policia Militar Ambulante : An elite paramilitary police force active in Guatemala during the civil war
- Phorbol Myristate Acetate : A chemical compound used in biological research
Other notable organizations or terms abbreviated as PMA include the Pacific Maritime Association, Pakistan Military Academy, and Produce Marketing Association
. The exact meaning depends heavily on the field-business, healthcare, military, science, or others
