| Acronym | Meaning |
| LPA | Lipoprotein A |
| NEBOSH | National Examination Board In Occupational Safety And Health |
| TPCA | Toxic Pit Cleanup Act (of California |
| GRAPE | Gamma Ray Attenuation Porosity Evaluator |
| HCSEL | Horizontal Cavity Surface Emitting Laser |
| LCPLS | Logcontrast Partial Least Squares |
| NLCR | Nonlinear Continuum Regression |
| HQE | Hemiquantal Equations |
| LRTI | Lower Respiratory Tract Infection |
| APECED | Autoimmune Polyendocrinopathy-candidiasis-ectodermal Dystrophy |