fault
A point at which something is divided, interrupted, or disconnected.
Entries starting with F
411 entries.
fault current
An irregularity in an electric current that leads to an electrical fault.
fay
verbManufacturing
Of pieces of timber: to lie close together.
FCA
nameAutomotive
Initialism of Fiat-Chrysler Automobiles, an Italian&American automaker.
FCC
Abbreviation of future cruise credit.
FCD
Initialism of floating car data (“a method to determine the traffic speed on a road network”).
FCU
Initialism of fuel control unit.
FD
Initialism of flight director.
FDD
Initialism of frequency-division duplex.
FDM
nounManufacturing
Initialism of fused deposition modeling: a type of additive manufacturing.
FDR
Initialism of false transmit format detection ratio (in UMTS).
feather
verbCarpentry
To finely shave or bevel an edge.
featherable
adjectiveAviation maintenance
Of a propeller: capable of having its blades streamlined by rotating them perpendicular to the axis of the propeller when the engine is shut down, so that the propeller does not windmill as the aircraft flies.
featherboard
nounWoodworking
A flat grooved piece of wood or other material used to hold the workpiece in position.
feathered
adjectiveManufacturing
Having a finely bevelled edge.
feathering strip
One of the tapered wood filler strips placed along the butt ends of old wood shingles to create a relatively smooth surface when reroofing over existing wood shingle roofs.
FED
Initialism of field emission display.
fed cattle
Cattle leaving a feedlot, after fattening on a concentrated ration, that are ready to be sold to a packinghouse for slaughter.
federated
adjectiveElectrical engineering
Interconnected, as a federation or supernetwork of independent and interoperable services.
federation
A collection of network or telecommunication providers that offer interoperability.
feed dog
On a sewing machine, the toothed mechanism that uses a forward, down, back, and up motion against the presser foot to advance the fabric through the machine evenly.
feed-through
A hermetically sealed connection between two volumes.
feedback
The part of an output signal that is looped back into the input to control or modify a system.
feeder cattle
Steers or cows that are mature enough to be placed in a feedlot in preparation for slaughter.
feeder station
nounRail equipment
A facility that takes power from the national grid and feeds it to overhead electrification lines on a railway.
feedline
nounAutomotive
The tube for gasoline that goes to the engine.
feedpoint
The location on an antenna where radio frequency electrical power is applied.
feetsy
adjectiveTextile production
Having a section that covers the feet.
fell
The finer portions of ore, which go through the meshes when the ore is sorted by sifting.
felled seam
A seam made by placing one edge inside a folded edge of fabric, then stitching the fold down. The fold encases the raw edges, which protects them from fraying, and may be secured with a topstitch or a whipstitch.
feller-buncher
A motorized vehicle, used in logging, that can rapidly cut, gather and fell trees.
felling head
An attachment for a crane or other piece of machinery used for felling trees.
felsic
adjectiveMining and extraction
Enriched in minerals predominantly composed of the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.
FEM
Initialism of finite element method.
female-to-male
adjectiveIndustrial electronics
That changes a female end (usually a socket) of a connection into a male one (with pins, usually a plug).
femtobecquerel
An SI unit of radioactive activity equal to 10⁻¹⁵ becquerels. Symbol: f
femtobel
An SI unit of relative power equal to 10⁻¹⁵ bels. Symbol: f
femtocandela
An SI unit of luminous intensity equal to 10⁻¹⁵ candelas. Symbol: fcd
femtocell
A wireless communication system, smaller than a picocell, typically designed for use in a home or small business.
femtocoulomb
An SI unit of electric charge equal to 10⁻¹⁵ coulombs. Symbol: f
femtofarad
An SI unit of electrical capacitance equal to 10⁻¹⁵ farads. Symbol: fF
femtogram
An SI unit of mass equal to 10⁻¹⁵ grams. Symbol: fg
femtojoule
An SI unit of energy, work, and heat equal to 10⁻¹⁵ joules. Symbol: fJ
femtokatal
An SI unit of catalytic activity equal to 10⁻¹⁵ katals. Symbol: f
femtometre
An SI unit of length equal to 10⁻¹⁵ metres. Symbol: fm
femtosecond
An SI unit of time equal to 10⁻¹⁵ seconds. Symbol: fs
fender
To use fenders to protect the side of a boat
fennie
A fenestration in the leaf of a plant, such as Monstera.
fenny
Alternative form of fennie (“fenestration”).
ferric carbide
nounMetallurgy
A compound of iron with carbon (Fe₃C).
ferroelectric shutter
A shutter consisting of a slab of ferroelectric crystal located between polarizers whose planes are at right angles
ferry van
A railway goods van intended for train ferry traffic to and from continental Europe.
festoon
Two sets of rollers used to create a buffer of material on web handling equipment.
FET
Initialism of field effect transistor.
fettle
A seam line left by the meeting of mould pieces.
fettler
An ostler; one who looks after the horses in a mine.
FF
nameAutomotive
The Ferrari FF (Ferrari Four), an all-wheel drive grand tourer by Ferrari.
FFM
Initialism of fine fuel moisture.
FI
nounAutomotive
Initialism of fuel injection.
fiber
A material whose length is at least 1000 times its width.