| Acronym | Meaning |
| AAIT | Atomic Absorption Inhibition Titration |
| DFMFT | Density-functional Mean-field Theory |
| CC-CI | Cluster Corrected-configuration Interaction |
| MAHRSI | Middle Atmosphere High Resolution Spectrograph Investigation |
| NDB | Nondefective Bonding |
| LCCC | Liquid Chromatography At The Critical Condition |
| HEASARC | High Energy Astrophysics Science Archive Research Center |
| ATM | Analytic Tetrahedron Method (for Brillouin-zone Integrals And Electron Spin Densities) |
| BPC | Blood Platelet Count |
| BHP | Bottom-hole Pressure |