| ZAA | Zeeman Atomic Absorption | - | Computer Acronyms(common) |
| ZAAS | Zeeman Atomic Absorption Spectroscopy | - | Computer Acronyms(common) |
| ZAP | Zone Axis Pattern | - | Computer Acronyms(common) |
| ZASA | Zinc 5-aminosalicylate | - | Computer Acronyms(common) |
| ZBL | Ziegler, Biersack And Littmark | - | Computer Acronyms(common) |
| ZBLAN | Zirconium Barium Lanthanum Aluminum Sodium Fluoride | - | Computer Acronyms(common) |
| ZBLANP | Zirconium Barium Lanthanum Aluminum Sodium Lead Fluoride | - | Computer Acronyms(common) |
| ZCC | Zero Core Contribution (model For Photodetachment Calcns.) | - | Computer Acronyms(common) |
| ZCCSD | Z-vector Coupled Cluster (with) Single (and) Double Excitation | - | Computer Acronyms(common) |
| ZCLV | Zoned Constant Linear Velocity | - | Computer Acronyms(common) |
| ZDC | Zero-degree Calorimeter | - | Computer Acronyms(common) |
| ZDDO | Zero Diatomic Differential Overlap | - | Computer Acronyms(common) |
| ZDDP | Zinc Dialkyl Dithiophosphate | - | Computer Acronyms(common) |
| ZDO | Zero Differential Overlap | - | Computer Acronyms(common) |
| ZDT | Zero Ductility Temperature | - | Computer Acronyms(common) |
| ZECSY | Zero-quantum Coherence Correlation Spectroscopy | - | Computer Acronyms(common) |
| ZEKE | Zero Electron Kinetic Energy | - | Computer Acronyms(common) |
| ZERI | Zero Emissions Research Initiative | - | Computer Acronyms(common) |
| ZEV | Zero Emission Vehicle | - | Computer Acronyms(common) |
| ZF-NQR | Zero-field-nuclear Quadrupole Resonance | - | Computer Acronyms(common) |
| ZFAAS | Zeeman Furnace Atomic Absorption Spectroscopy | - | Computer Acronyms(common) |
| ZFS | Zero-field Splitting | - | Computer Acronyms(common) |
| ZHE | Zero-headspace Extractor (used In TCLP Determinations) | - | Computer Acronyms(common) |
| ZHEV | Zero-Headspace Extraction Vessel | - | Computer Acronyms(common) |
| ZI | Zero Intercept | - | Computer Acronyms(common) |
| ZIA | Zone Immunoassay | - | Computer Acronyms(common) |
| ZID | Zone Of Initial Dilution | - | Computer Acronyms(common) |
| ZINDO | Zerner's Intermediate Neglect Of Differential Overlap | - | Computer Acronyms(common) |
| ZIP | Zinc Impurity Photodetector | - | Computer Acronyms(common) |
| ZLC | Zero Length Column | - | Computer Acronyms(common) |
| ZLS | Zeeman Laser Scattering | - | Computer Acronyms(common) |
| ZME | Zeolite-modified Electrode | - | Computer Acronyms(common) |
| ZMR | Zone-melting Recrystallization | - | Computer Acronyms(common) |
| ZOAO | Zero Overlap Of Atomic Orbital Approxn. | - | Computer Acronyms(common) |
| ZOLZ | Zero Order Laue Zone | - | Computer Acronyms(common) |
| ZORA | Zeroth-order Regular Approximation | - | Computer Acronyms(common) |
| ZPC | Zero Point Of Charge | - | Computer Acronyms(common) |
| ZPC | Zero-point (energy) Corrections | - | Computer Acronyms(common) |
| ZPE | Zero-point Energy | - | Computer Acronyms(common) |
| ZPL | Zero-phonon Line | - | Computer Acronyms(common) |
| ZPP | Zn Protoporphyrin (lead Poisoning Indicator) | - | Computer Acronyms(common) |
| ZPVE | Zero-point Vibrational Energy | - | Computer Acronyms(common) |
| ZQC | Zero-quantum Coherence | - | Computer Acronyms(common) |
| ZQS | Zero-quantum Spectroscopy | - | Computer Acronyms(common) |
| ZRL | Zero Risk Level | - | Computer Acronyms(common) |
| ZRPA | Zero-radius Potential Approximation | - | Computer Acronyms(common) |
| ZRPA | Zero-range Potential Approximation | - | Computer Acronyms(common) |
| ZSM | Zeolite Socony Mobil | - | Computer Acronyms(common) |
| ZSR | Zdanovskii-Stokes-Robinson [model] | - | Computer Acronyms(common) |
| ZST | Zero Strength Temperature | - | Computer Acronyms(common) |
| ZTA | Zirconia-toughened Alumina | - | Computer Acronyms(common) |
| ZTS | Z Transition State [z = Nuclear Charge] (method For Calcg. Isoelectronic Energy Differences And Electrostatic Potentials For A | - | Computer Acronyms(common) |
| ZVI | Zero-valent Iron | - | Computer Acronyms(common) |
