| F-PURE | Florida Pesticide Use Risk Evaluation | - | Computer Acronyms(common) |
| F/M | Food To Microorganism Ratio | - | Computer Acronyms(common) |
| F4 | Fourth-order Feenberg (quantum Theory) | - | Computer Acronyms(common) |
| FAAO | Free-atom Atomic Orbital | - | Computer Acronyms(common) |
| FAAS | Flame Atomic Absorption Spectroscopy | - | Computer Acronyms(common) |
| FAB | Fast Atom Bombardment (mass Spectrometry) | - | Computer Acronyms(common) |
| FABMS | Fast Atom Bombardment Mass Spectrometry | - | Computer Acronyms(common) |
| FABP | Fatty Acid-binding Protein | - | Computer Acronyms(common) |
| FACCE | Frontal Analysis Continuous Capillary Electrophoresis | - | Computer Acronyms(common) |
| FACE | Forests Absorbing Carbon Dioxide Emission | - | Computer Acronyms(common) |
| FACE | Fluorophore-assisted Carbohydrate Electrophoresis | - | Computer Acronyms(common) |
| FACE | Free Air Controlled Enrichment Program | - | Computer Acronyms(common) |
| FACM | Friable Asbestos-Containing Material | - | Computer Acronyms(common) |
| FACOSH | Federal Advisory Council For Occupational Safety And Health | - | Computer Acronyms(common) |
| FACS | Fluorescence Atom-coincidence Spectroscopy | - | Computer Acronyms(common) |
| FACS | Fluorescence-activated Cell Sorting | - | Computer Acronyms(common) |
| FACSS | Federation Of Analytical Chemistry And Spectroscopy Societies | - | Computer Acronyms(common) |
| FACT | Facility For The Analysis Of Chemical Thermodynamics | - | Computer Acronyms(common) |
| FACT | Fuel And Combustion Technology | - | Computer Acronyms(common) |
| FACTS | Facilities And Company Tracking System | - | Computer Acronyms(common) |
| FAD | Failure Assessment Diagram | - | Computer Acronyms(common) |
| FAD | Flavin Adenine Dinucleotide | - | Computer Acronyms(common) |
| FADD | Fas-associated Death Domain Protein | - | Computer Acronyms(common) |
| FADEC | Full Authority Digital Engine Control | - | Computer Acronyms(common) |
| FAEC | Factor Analysis With Equilibrium Constraints | - | Computer Acronyms(common) |
| FAES | Flame Atomic Emission Spectroscopy | - | Computer Acronyms(common) |
| FAFS | Flame Atomic Fluorescence Spectroscopy | - | Computer Acronyms(common) |
| FAGE | Fluorescence Assay With Gas Expansion | - | Computer Acronyms(common) |
| FAGS | Federation Of Astronomical And Geophysical Services | - | Computer Acronyms(common) |
| FAIMS | High-field Asymmetric Waveform Ion Mobility Spectrometry | - | Computer Acronyms(common) |
| FAK | Focal Adhesion Kinase | - | Computer Acronyms(common) |
| FAKE | Fast Accurate Kinetic-energy (MO Method) | - | Computer Acronyms(common) |
| FALS | Familial Amyotrophic Lateral Sclerosis | - | Computer Acronyms(common) |
| FAM | Friable Asbestos-containing Material | - | Computer Acronyms(common) |
| FAMA | Fluorescent Antibody Membrane Antigen | - | Computer Acronyms(common) |
| FAME | Fatty Acid Methyl Ester | - | Computer Acronyms(common) |
| FAMOS | Floating-gate Avalanche-injection Metal-oxide Semiconductor | - | Computer Acronyms(common) |
| FAMOUS | French-American Mid-Ocean Undersea Study | - | Computer Acronyms(common) |
| FANES | Furnace Atomization Non-thermal Emission Spectrometry | - | Computer Acronyms(common) |
| FAO | Food And Agriculture Organization | - | Computer Acronyms(common) |
| FAO | Floating Atomic Orbital | - | Computer Acronyms(common) |
| FAO | Frozen Atomic Orbital | - | Computer Acronyms(common) |
| FAOS | Fluorescent Activated Organelle Sorting | - | Computer Acronyms(common) |
| FAP | Familial Adenomatous Polyposis | - | Computer Acronyms(common) |
| FAP | Familial Amyloidotic Polyneuropathy | - | Computer Acronyms(common) |
| FAPAS | Food Analysis Performance Assessment Scheme | - | Computer Acronyms(common) |
| FAPES | Furnace Atomization Plasma Emission Spectrometry | - | Computer Acronyms(common) |
| FAPS | Field-effect-addressable Potentiometric Sensor | - | Computer Acronyms(common) |
| FAR | Federal Acquisitions Regulations | - | Computer Acronyms(common) |
| FARCE | Freezing At Reactive Centers Of Enzymes | - | Computer Acronyms(common) |
| FARM | Fixed-angle Reactor Model (in Quantum Calcns. On Reactive Scattering) | - | Computer Acronyms(common) |
| FAS | Federation Of American Scientists | - | Computer Acronyms(common) |
| FAS | Fatty Alcohol Sulfates (surfactants) | - | Computer Acronyms(common) |
| FAS | Flame Absorption Spectroscopy | - | Computer Acronyms(common) |
| FASEB | Federation Of American Societies For Experimental Biology | - | Computer Acronyms(common) |
| FASI | Field-amplified Sample Injection | - | Computer Acronyms(common) |
| FASS | Field-amplified Sample Stacking | - | Computer Acronyms(common) |
| FASSST | FAst Scan Submillimeter Spectroscopy Technique | - | Computer Acronyms(common) |
| FASST | Fast Scan Submillimeter Spectroscopic Technique | - | Computer Acronyms(common) |
| FAST | Fast Atom Sample Tester | - | Computer Acronyms(common) |
| FAST | Fugitive Assessment Sampling Train | - | Computer Acronyms(common) |
| FAST | Forward Alpha Scattering Technique | - | Computer Acronyms(common) |
| FASTER | FAst Spinning Gives Transfer Enhancement At Rotary Resonance | - | Computer Acronyms(common) |
| FASTMAP | Fast Automatic Shimming Technique By Mapping Along Projections | - | Computer Acronyms(common) |
| FAT | Fatty Acid Translocase | - | Computer Acronyms(common) |
| FATE | Functional Attributes In Terrestrial Ecosystems | - | Computer Acronyms(common) |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) | - | Computer Acronyms(common) |
| FATT | Fracture-appearance Transition Temperature | - | Computer Acronyms(common) |
| FBA | First Born Approximation | - | Computer Acronyms(common) |
| FBA | Fluidized Bed Afterburner | - | Computer Acronyms(common) |
| FBA | Fluorescent Brightening Agent | - | Computer Acronyms(common) |
| FBBR | Fluidized Bed Biofilm Reactor | - | Computer Acronyms(common) |
| FBC | Fluidized Bed Combustor | - | Computer Acronyms(common) |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) | - | Computer Acronyms(common) |
| FBE | Flat Bed Electrophoresis | - | Computer Acronyms(common) |
| FBEM | Fixed Beam Electron Microscopy | - | Computer Acronyms(common) |
| FBF | Forearm Blood Flow | - | Computer Acronyms(common) |
| FBG | Fasting Blood Glucose | - | Computer Acronyms(common) |
| FBG | Fiber Bragg Grating | - | Computer Acronyms(common) |
| FBL | Fixed Bed Loop | - | Computer Acronyms(common) |
| FBR | Fast Breeder Reactor | - | Computer Acronyms(common) |
| FBR | Finite Basis Representation (in Wave Fct. Calcn. For Nuclear Motion On Potential Energy Surface) | - | Computer Acronyms(common) |
| FBR | Fixed Bed Reactor | - | Computer Acronyms(common) |
| FBS | Fetal Bovine Serum | - | Computer Acronyms(common) |
| FBTR | Fast Breeder Test Reactor | - | Computer Acronyms(common) |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) | - | Computer Acronyms(common) |
| FCA | Frozen-core Appproximation | - | Computer Acronyms(common) |
| FCA | Fuzzy Cluster Analysis | - | Computer Acronyms(common) |
| FCAW | Flux-cored Arc Welding | - | Computer Acronyms(common) |
| FCC | Flight Control Computer | - | Computer Acronyms(common) |
| FCC | Food Chemicals Codex | - | Computer Acronyms(common) |
| FCC | Face Centered Cubic | - | Computer Acronyms(common) |
| FCC | Flat Collect Circuit (in Solar Cell Array For Spacecraft) | - | Computer Acronyms(common) |
| FCC | Fluidized Catalytic Cracking | - | Computer Acronyms(common) |
| FCCC | Framework Convention On Climate Change | - | Computer Acronyms(common) |
| FCCP | Trifluoromethoxy Carbonylcyanide Phenylhydrazone | - | Computer Acronyms(common) |
| FCCSET | Federal Coordinating Council On Science | - | Computer Acronyms(common) |
| FCCU | Fluidized Catalytic Cracking Unit | - | Computer Acronyms(common) |
| FCD | Fault Consequence Digraph | - | Computer Acronyms(common) |
| FCF | Franck-Condon Factor | - | Computer Acronyms(common) |