| Acronym | Meaning |
| MRSD-CI | Multireference Single And Double Excitation CI |
| MUFA | Monounsaturated Fatty Acids |
| RSP | Respirable Suspended Particulates |
| BOM | Benthic Organic Matter |
| RTM | Resin-transfer Molding |
| CNPPA | Commission On National Parks And Protected Areas |
| MELAS | Mitochondrial Myopathy |
| STT | Surface Tension Transfer |
| WINDS | Wideband Internetworking Engineering Test And Demonstration Satellite |
| CAIS | Calcium-aluminum-rich Inclusions |