| WAD | Weak And Dissociable Or Weak Acid Dissociable | - | Computer Acronyms(common) |
| WADR | Waste Acid Detoxification And Reclamation | - | Computer Acronyms(common) |
| WALTZ | Wonderful Alternating Phase Technique For Zero Residual Splittings | - | Computer Acronyms(common) |
| WAMMAS | Waste Minimization Management Advisory System | - | Computer Acronyms(common) |
| WAN | Wide Area Network | - | Computer Acronyms(common) |
| WAND | Waste Acceptance For Nonradioactive Disposal | - | Computer Acronyms(common) |
| WAND | Wide Angle Neutron Diffraction | - | Computer Acronyms(common) |
| WANG | West Australian Natural Gas | - | Computer Acronyms(common) |
| WANO | World Association Of Nuclear Operators | - | Computer Acronyms(common) |
| WAO | Wannier Atomic Orbital | - | Computer Acronyms(common) |
| WAO | Wet Air Oxidation | - | Computer Acronyms(common) |
| WAP | Wireless Application Protocol | - | Computer Acronyms(common) |
| WAP | Waste Analysis Plan | - | Computer Acronyms(common) |
| WAP | Whey Acidic Protein | - | Computer Acronyms(common) |
| WAPS | Waste Acceptance Preliminary Specification | - | Computer Acronyms(common) |
| WARMF | Watershed Anal. Risk Management Framework | - | Computer Acronyms(common) |
| WAS | Whole Air Sampler | - | Computer Acronyms(common) |
| WAS | Waste Activated Sludge | - | Computer Acronyms(common) |
| WASP | Wiskott-Aldrich Syndrome Protein | - | Computer Acronyms(common) |
| WASP | Workplace Analysis Scheme For Proficiency | - | Computer Acronyms(common) |
| WASP4 | Water Analysis Simulation Program | - | Computer Acronyms(common) |
| WAT | White Adipose Tissue | - | Computer Acronyms(common) |
| WATCH | Working Group On Assessment Of Toxic Chemicals | - | Computer Acronyms(common) |
| WATOC | World Association Of Theoretically Oriented Chemists | - | Computer Acronyms(common) |
| WATOX | Western Atlantic Ocean Experiment | - | Computer Acronyms(common) |
| WATR | Water Attenuation By Transverse Relaxation | - | Computer Acronyms(common) |
| WAXD | Wide-angle X-ray Diffraction | - | Computer Acronyms(common) |
| WAXS | Wide-angle X-ray Scattering | - | Computer Acronyms(common) |
| WBC | White Blood Cell | - | Computer Acronyms(common) |
| WBEPM | Weakest Bound Electron Potential Model (theory In Calcns. Of Ionization Potentials) | - | Computer Acronyms(common) |
| WBG | Wide-band Gap | - | Computer Acronyms(common) |
| WBGT | Wet Bulb Global Temperature | - | Computer Acronyms(common) |
| WCA | Water Conservation Area(s) | - | Computer Acronyms(common) |
| WCA | Weeks-Chandler-Andersen (theory In Liq.-structure Calcns.) | - | Computer Acronyms(common) |
| WCAT | Water-cooled Atom Trap | - | Computer Acronyms(common) |
| WCBP | Well Characterized Biotechnology Pharmaceuticals | - | Computer Acronyms(common) |
| WCDF | Worse Case Dilution Factor (in Receiving Water) | - | Computer Acronyms(common) |
| WCOT | Wall Coated Open Tubular Columns | - | Computer Acronyms(common) |
| WCRP | World Climate Research Programme | - | Computer Acronyms(common) |
| WCUB | Wang Chang-Uhlenbeck-de Boer (quantum-mech. Relation In Rotational Relaxation Calcn.) | - | Computer Acronyms(common) |
| WDA | Weighted-density Approxn. (within D. Functional Formalism) | - | Computer Acronyms(common) |
| WDD | Weighted Density Distribution | - | Computer Acronyms(common) |
| WDF | Wigner Distribution Function (in Study Of Quantum Dynamics) | - | Computer Acronyms(common) |
| WDI | World Drug Index | - | Computer Acronyms(common) |
| WDM | Wavelength Division Multiplexing | - | Computer Acronyms(common) |
| WDS | Wavelength-dispersive Spectrometry | - | Computer Acronyms(common) |
| WDXRF | Wavelength Dispersive X-Ray Fluorescence | - | Computer Acronyms(common) |
| WECC | Western European Calibration Cooperation | - | Computer Acronyms(common) |
| WEDM | Wire Electric Discharge Machining | - | Computer Acronyms(common) |
| WEEE | Waste Electrical And Electronic Equipment | - | Computer Acronyms(common) |
| WEEL | Workplace Environmental Exposure Limits | - | Computer Acronyms(common) |
| WEF | Water Environment Federation (formerly WPCF) | - | Computer Acronyms(common) |
| WEFA | Window Evolving Factor Analysis | - | Computer Acronyms(common) |
| WEFT | Water Elimination By Fourier Transform | - | Computer Acronyms(common) |
| WELAC | Western European Laboratory Accreditation Cooperation | - | Computer Acronyms(common) |
| WENDB | Water Enforcement National Data Base | - | Computer Acronyms(common) |
| WEP | Weak Equivalence Principle | - | Computer Acronyms(common) |
| WERC | Waste-management Education & Research Consortium | - | Computer Acronyms(common) |
| WERL | Water Engineering Research Laboratory | - | Computer Acronyms(common) |
| WET | Waste Extraction Test | - | Computer Acronyms(common) |
| WET | Whole Effluent Toxicity | - | Computer Acronyms(common) |
| WFA | Window Factor Analysis | - | Computer Acronyms(common) |
| WFGD | Wet Flue Gas Desulfurization | - | Computer Acronyms(common) |
| WFI | Water For Injection (pharmaceutical Term) | - | Computer Acronyms(common) |
| WFM | Work Function Microscopy | - | Computer Acronyms(common) |
| WFPC2 | Wide Field Planetary Camera 2 | - | Computer Acronyms(common) |
| WFS | Work Function Spectroscopy | - | Computer Acronyms(common) |
| WGS | Water Gas Shift Reaction | - | Computer Acronyms(common) |
| WGSATM | Working Group On The Statistical Aspects Of Trend Monitoring (ICES) | - | Computer Acronyms(common) |
| WHAM | Windermere Humic Aq. Acid Model | - | Computer Acronyms(common) |
| WHH | Width At Half Height [in X-ray Diffraction] | - | Computer Acronyms(common) |
| WHIMS | Wet High Intensity Magnetic Separation | - | Computer Acronyms(common) |
| WHMIS | Workplace Hazardous Materials Information System (Canada) | - | Computer Acronyms(common) |
| WHMO | Wolfsberg-Helmholz Molecular Orbital | - | Computer Acronyms(common) |
| WHO | World Health Organization | - | Computer Acronyms(common) |
| WHOI | Woods Hole Oceanographic Institute | - | Computer Acronyms(common) |
| WHPA | Wellhead Protection Areas | - | Computer Acronyms(common) |
| WHSV | Wt. Hourly Space Velocity | - | Computer Acronyms(common) |
| WHV | Woodchuck Hepatitis Virus | - | Computer Acronyms(common) |
| WHWT | Water And Hazardous Waste Team | - | Computer Acronyms(common) |
| WIC | Washington Information Center | - | Computer Acronyms(common) |
| WICEM | World Industry Conference On Environmental Management | - | Computer Acronyms(common) |
| WIG | W-inert Gas Welding | - | Computer Acronyms(common) |
| WILDCAT | Warning And Identification Lidar Detector For Countering Agent Threats | - | Computer Acronyms(common) |
| WILT | Waste Interface Leaching Test | - | Computer Acronyms(common) |
| WIMP | Weakly Interacting Massive Particles | - | Computer Acronyms(common) |
| WIMP | Wireless Implanted Magnetic Resonance Probes | - | Computer Acronyms(common) |
| WINDEP | Worksheet-Integrated Deposition Estn. Program | - | Computer Acronyms(common) |
| WINDII | Wind Imaging Interferometer | - | Computer Acronyms(common) |
| WINDS | Wideband Internetworking Engineering Test And Demonstration Satellite | - | Computer Acronyms(common) |
| WINS | Well Impactor Ninety-Six | - | Computer Acronyms(common) |
| WIPO | World Intellectual Property Organization | - | Computer Acronyms(common) |
| WIPP | Waste Isolation Pilot Plant (for Nuclear Wastes) | - | Computer Acronyms(common) |
| WISE | Wide-field Infrared Survey Explorer | - | Computer Acronyms(common) |
| WISE | Wide Line Separation (NMR Technique) | - | Computer Acronyms(common) |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) | - | Computer Acronyms(common) |
| WLA | Waste Load Allocation | - | Computer Acronyms(common) |
| WLAN | Wireless Local Area Network | - | Computer Acronyms(common) |
| WLE | Wigner-Liouville Equation (in Study Of Quantum Dynamics) | - | Computer Acronyms(common) |
| WLF | Williams-Ferry-Landel [viscosity Math. Relation/parameter] | - | Computer Acronyms(common) |
