| Acronym | Meaning |
| VCE | Vapor Cloud Explosion |
| VCE | Vapor Compression Evaporator |
| VCI | Valence Configuration Interaction (wave Function) |
| VCI | Variational Configuration Interaction (quantum Calcn. Method) |
| VCM | Variational Cellular Method (for Electronic Structure Calcns.) |
| VCQD | Vertically Coupled Quantum Dots |
| VCS | Voluntary Cleanup Section |
| VCSEL | Vertical Cavity Surface Emitting Laser |
| VCXO | Voltage Controlled Crystal Oscillator |
| VD-RCC | Vibrational Diabatic-rotational Close-coupled (method In Mol. Collision Calcns.) |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |
| VDAC | Voltage-dependent Anion Channel |
| VDHF | Variational Dirac-Hartree-Fock |
| VDI | Verein Deutscher Ingenieure (German Engineers Society) |
| VDRE | Vitamin D-responsive Element |
| VDU | Visual Display Unit |
| VDZ | Valence Double Zeta |
| VE-PPP | Variable Electronegativity PPP |
| VEDW IOS | Vibrational Exponential-distorted-wave Infinite-order-sudden (method For Inelastic Mol. Collisions Calcn.) |
| VEE | Venezuelan Equine Encephalitis |
| VEEH | Variable Electronegativity Extended Hueckel Method |
| VEELS | Valence Electron Energy-loss Spectroscopy |
| VEGF | Vascular Endothelial Growth Factor |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| VEM | Video-enhanced Microscopy |
| VEO | Valence Electron Only |
| VEOMP | Valence-electron-only Model Potential (for Mol. SCF Calcns.) |
| VERA | Vienna Environmental Research Accelerator |
| VERI | Visual-empirical Region Of Influence |
| VES | Vertical Elec. Sounding |
| VES | Vapor Extraction System |
| VESCF | Variable Electronegativity Self-consistent Field |
| VETESS | Vehicle Transient Emissions Simulation Software |
| VF | Valence Force (model In Bond Properties Calcns. In Solids) |
| VFA | Volatile Fatty Acid |
| VFB | Flat-band Voltage |
| VFD | Vacuum Fluorescent Display |
| VFET | Vertical Field-effect Transistor |
| VFF | Valence Force Field (in Electronic-structure Calcns.) |
| VFOT | Variant Fock Operator Technique |
| VFT | Voguel-Fulcher-Tamman [equation] |
| VGAAS | Vapor Generation Atomic Absorption Spectrometry |
| VGAO | Variable Gage Atomic Orbital |
| VGF | Vertical Gradient Freeze |
| VGO | Vacuum Gas Oil |
| VGO | Virgin Gas Oil |
| VGP | Virtual Geomagnetic Pole |
| VHAP | Volatile Hazardous Air Pollutant |
| VHDL | Very High Speed Integrated Circuits (VHSIC) Hardware Description Language |
| VHH | Volatile Halogenated Hydrocarbons |