| Acronym | Meaning |
| LCCO | Linear Combination Of Cellular Orbital |
| ESIPT | Excited-state Intramolecular Proton Transfer |
| TIGR | The Institute For Genomic Research |
| EST | Eastern Standard Time |
| HWRIC | Hazardous Waste Research And Information Center |
| CEARP | Comprehensive Environmental Assessment And Response Program |
| MSPC | Multivariate Statistical Process Control |
| DUVPL | Deep Ultraviolet Projection Lithography |
| PDDO | Projection Of Diatomic Differential Overlap |
| IPC | International Patent Classification |