- Fatty acid synthesis
- Fatty acids
- Fatty alcohols
- Fatty liver
- Fatty liver disease
- Fatty streaks
- Faucet
- Faucet aerator
- Faujasite
- Fault blocks
- Fault breccia
- Fault coverage
- Fault current limiter
- Fault detection
- Fault detection and isolation
- Fault friction
- Fault gouge
- Fault management
- Fault scarps
- Fault tolerance
- Fault trace
- Fault tree analysis
- Faults
- Fauna
- Favipiravir
- Favre averaging
- Fax
- Fayalite
- Faying surfaces
- FcRn
- Fcεri
- Fear of flying
- Feasibility study
- Feasible region
- Feature creep
- Feature detection
- Feature engineering
- Feature extraction
- Feature hashing
- Feature integration theory
- Feature learning
- Feature phones
- Feature recognition
- Feature scaling
- Feature selection
- Feature vectors
- Febrile neutropenia
- Fecal coliform
- Fecal incontinence
- Fecal microbiota
- Fecal sludge
- Fecal-oral route
- Feces
- Fed-batch
- Fed-batch culture
- Federal Energy Administration
- Federal Energy Management Program
- Federal enterprise architecture
- Federated
- Federated identity
- Federated learning
- Federation
- Feed additives
- Feed conversion ratio
- Feed forward
- Feed horn
- Feed-in tariff
- Feedback
- Feedback linearization
- Feedback vertex set
- Feedforward
- Feedforward neural networks
- Feedline
- Feedthrough
- Feedwater heater
- Feedwater pumps
- Feeler gauges
- Feet
- Fehling's solution
- Feistel cipher
- Fel d 1
- Feldspar
- Feldspathoid
- Fellowships
- Felsic
- Felsite
- Felt
- Femap
- Feminization
- Femoral head
- Femoral nerve
- Femoral triangle
- Femoroacetabular impingement
- Femtocells
- Femtochemistry
- Femtosecond
- Femtosecond laser
- Femur
- Fence
- Fenchone
- Fenite
- Fenitrothion
- Fenpropathrin
- Fens
- Fenske equation
- Fenton reaction
- Fenton's reagent
- Fenvalerate
- Feram
- Ferberite
- Feret diameter
- Fergusonite
- Fermat primes
- Fermat's principle
- Fermentation
- Fermentative hydrogen production
- Fermi contact interaction
- Fermi energy
- Fermi gas
- Fermi level
- Fermi liquid theory
- Fermi liquids
- Fermi resonance
- Fermi surface
- Fermionic fields
- Fermions
- Feroxyhyte
- Ferrate
- Ferrate(VI)
- Ferredoxin
- Ferric
- Ferric ammonium sulfate
- Ferric chloride
- Ferric hydroxide
- Ferric oxalate
- Ferric sulfate
- Ferrichrome
- Ferricrete
- Ferricyanide
- Ferrierite
- Ferrihydrite
- Ferrimagnetic
- Ferrioxalate
- Ferrite
- Ferrite core
- Ferritic stainless steel
- Ferritin
- Ferro-actinolite
- Ferroalloys
- Ferroboron