- Freshwater ecosystems
- Fresnel
- Fresnel diffraction
- Fresnel equations
- Fresnel lens
- Fresnel number
- Fresnel reflectors
- Fresnel zone
- Freund's adjuvant
- Friability
- Friable
- Friction
- Friction drilling
- Friction drive
- Friction loss
- Friction modifier
- Friction of distance
- Friction sensitivity
- Friction stir processing
- Friction stir spot welding
- Friction stir welding
- Friction torque
- Friction velocity
- Friction welding
- Friedel oscillations
- Friedman test
- Friendship graph
- Fries rearrangement
- Friis transmission equation
- Fringe shift
- Frit
- Fritted glass
- Fritzing
- Frizzled
- Frobenius method
- Frobenius norm
- Frobenius theorem
- Front panel
- Front-end processors
- Front-to-back ratio
- Front-wheel drive
- Frontal bone
- Frontal eye fields
- Frontal gyri
- Frontal gyrus
- Frontal lobe
- Frontal lobe epilepsy
- Fronthaul
- Frontier molecular orbital theory
- Frontoparietal network
- Frontotemporal dementia
- Frontotemporal lobar degeneration
- Frost
- Frost damage
- Frost heaving
- Frost line
- Frost weathering
- Frosted glass
- Froth flotation
- Froth treatment
- Frozen food
- Fructans
- Fructose
- Fructose 6-phosphate
- Fructosyl
- Frustum
- FtsZ
- Fuchsine
- Fucoidan
- Fucose
- Fucosidase
- Fucoxanthin
- Fuel
- Fuel bladder
- Fuel bunkers
- Fuel cell bus
- Fuel cell vehicle
- Fuel cells
- Fuel containers
- Fuel economy
- Fuel efficiency
- Fuel filter
- Fuel gas
- Fuel gauge
- Fuel injection
- Fuel line
- Fuel oil
- Fuel poverty
- Fuel pumps
- Fuel system
- Fuel tanks
- Fuel tax
- Fugacity
- Fugacity capacity
- Fugitive dust
- Fugitive emissions
- Full configuration interaction
- Full cost accounting
- Full custom
- Full depth reclamation
- Full scale
- Full state feedback
- Full width at half maximum
- Full-size
- Full-text search
- Fullerene
- Fullerene chemistry
- Fullerides
- Fully differential amplifier
- Fulminant
- Fulminate
- Fumarate reductase
- Fumaric acid
- Fumaroles
- Fume hood
- Fumed silica
- Fumonisin B1
- Fumonisins
- Function approximation
- Function block diagram
- Function composition
- Function field sieve
- Function fields
- Function generator
- Function model
- Function object
- Function of a real variable
- Function of several real variables
- Function points
- Function prototype
- Function series
- Function spaces
- Functional analysis
- Functional calculus
- Functional connectivity
- Functional decomposition
- Functional dependency
- Functional design
- Functional determinant
- Functional differential equations
- Functional disorders
- Functional electrical stimulation
- Functional endoscopic sinus surgery
- Functional equations
- Functional genomics
- Functional groups
- Functional independence measure
- Functional near-infrared spectroscopy
- Functional neuroimaging
- Functional polymers