| Acronym | Meaning |
| SNP | Sodium Nitroprusside |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |
| ACC | Acetyl-CoA Carboxylase |
| BCCP | Biotin Carboxyl-carrier Protein |
| LAB | Linear Alkylbenzene |
| IR | Isoprene Rubber |
| RTRP | Reinforced Thermosetting Resin Pipe |
| NAPIM | National Association Of Printing Ink Manufacturers (US) |
| RMLC | Recommended Maximum Contaminant Level |
| VO | Virtual Orbital |