[shermantanktop]

My only expansion for MMA is “mixed martial arts” and I’m not particularly familiar with it. Maybe there’s a wrestling move called the “structural adhesive”?

[clort]

methmethacrylate (ie acrylic)

[stavros]

Methyl methacrylate*

[gbgarbeb]

polymethylmethacrylate (PMMA) is used extensively in photolithography of silicon chips.