PMMA may refer to:
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para-Methoxymethamphetamine
''para''-Methoxy-''N''-methylamphetamine (also known as PMMA, Red Mitsubishi), chemically known as methyl-MA, 4-methoxy-''N''-methylamphetamine, 4-MMA) or (4-PMDA, as listed to its original physical name) is a stimulant and psychedelic drug c ...
, a stimulant drug
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Philippine Merchant Marine Academy
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Poly(methyl methacrylate)
Poly(methyl methacrylate) (PMMA) belongs to a group of materials called engineering plastics. It is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Plexiglas, Acrylite, ...
, a transparent thermoplastic often used as a glass substitute
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