first-order hold
A mathematical model of the practical reconstruction of sampled signals that could be done by a conventional digital-to-analog converter and an analog circuit called an integrator.
Entries starting with F
273 entries.
fishing space
nounRail equipment
The space between the base and head of a rail in which a rigid steel bar is placed.
fishmouth
nounConstruction
A half-cylindrical or half-conical shaped opening or void in a lapped edge or seam, usually caused by wrinkling or shifting of ply sheets during installation.
fit and finish
nounAutomotive
The cosmetic quality of an automobile, in terms of the spacing and alignment of parts.
fit rod
A gauge rod used to try the depth of a bolt hole in order to determine the length of bolt required.
fitting
A (generally small) component or part of a device or machine, especially one that is standardized and replaceable; specifically, a standardized part of a piping system used to connect sections of pipe together, such as a coupling.
flange
To make a flange on; to furnish with a flange; to bend (esp. sheet metal) in the form of a flange.
flange lubricator
a device installed in order to reduce wear to both wheel flanges and the rails in the railway track.
flangeway
nounRail equipment
The gap in road surfaces, running rails at rails at junctions, etc, that allows the wheel flange of a rail vehicle to pass.
flank
nounManufacturing
Either of the two pockets located on the seat of a pair of pants.
flash
verbMetallurgy
To release the pressure from a pressurized vessel.
flash cut
A change made to a complex system with immediate effect, one made without a phase-in period.
flash for cash
Pertaining to a scam where a motorist flashes their headlights to indicate to another driver to proceed against normal give-way rules, then runs into them and sues for damages.
flash fuel
Any natural forest material, such as grass or pine needles, that ignites easily and burns quickly.
flashing
nounConstruction
Components used to weatherproof or seal roof system edges at perimeters, penetrations, walls, expansion joints, valleys, drains and other places where the roof covering is interrupted or terminated.
flashing collar
an accessory flashing used to cover and/or seal soil pipe vents and other penetrations through a roof (sometimes referred to as roof jack or flashing boot).
flashover voltage
The voltage at which an electric discharge occurs between two electrodes that are separated by an insulator.
flat
A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
flat crossing
nounRail equipment
A crossing where two railway lines cross each other on the same level.
flat junction
nounRail equipment
An at-grade junction between two crossing railroad tracks.
flat lock
nounConstruction
a method of interlocking metal panels in which one panel edge is folded back on top of itself and the other panel is folded under, after which the two panels are hooked together.
flat rail
nounRail equipment
A metal pole or simple flat bar that is laid horizontally on the ground.
flat wagon
nounRail equipment
An open railway wagon without sides and roof, or with very low sides.
flatlock
nounManufacturing
A style of stitching that creates a seam where the seam allowance lies flat to the garment instead of hanging loose from it.
flatpack
A surface-mounted circuit board with leads attached in the plane of the board.
flatwork
nounConstruction
Horizontal construction work using concrete, such as floors.
flax cotton
Flax fibers reduced through steeping then prepared like cotton, through spinning and bleaching.
fleece
nounConstruction
Mat or felts composed of fibers, sometimes used as a membrane backer.
fleeceware
Apparel into which fleece-textile is fabricated.
Flemish bond
nounConstruction
In bricklaying, an arrangement of bricks such that each course consists of alternate bricks having their short sides (headers) and long sides (stretchers) facing outwards, with alternate courses being offset.
flexible
nounManufacturing
Something that is flexible.
flighter
nounManufacturing
A horizontal vane revolving over the surface of wort in a cooler, so as to produce a circular current in the liquor.
flint mill
An obsolete appliance for lighting a miner at his work, in which flints on a revolving wheel were made to produce a shower of sparks, which gave light without igniting the firedamp.
flip a bitch
To make a rapid and illegal U-turn.
flip-flop
A bistable; an electronic switching circuit that has either two stable states (switching between them in response to a trigger) or a stable and an unstable state (switching from one to the other and back again in response to a trigger), and which is thereby capable of serving as one bit of memory.
float
nounManufacturing
A weft thread that passes over two or more warp threads (or less commonly, warp over weft).
floating ground
A reference point for electric potential in a circuit which is not connected to the actual earth ground.
flong
A mould, especially one made from papier-mâché, used to create a stereotype.
flood test
nounConstruction
the procedure in which a controlled amount of water is temporarily retained over a horizontal surface to determine the effectiveness of the waterproofing system.
flooder
A channel or device for carrying and controlling water used in flood irrigation.
floor
A horizontal, flat ore body; the rock underlying a stratified or nearly horizontal deposit.
floor it
To depress the accelerator to the maximum extent.
floor plan
A layout representation of where the major functional blocks of an integrated circuit will be physically placed.
floorplanning
The act of designing a floor plan (electronic circuit design).
flotation
A process of separating minerals by agitating a mixture with water and detergents etc; selected substances being carried to the surface in air bubbles.
flotation collar
A shirt collar construction method where the interlining is cut to match the collar shape and stitched around the edges to shirt fabric.
flounce
A strip of decorative material, usually pleated, attached along one edge; a ruffle.
flouncy
adjectiveManufacturing
Of a garment, etc.: having a flounce (“strip of decorative material, usually pleated, attached along one edge”) or flounces; gathered and pleated.
flower crown
A crown made of brightly colored flowers.
fluid flywheel
A type of coupling for transmitting power from the engine of a vehicle to the transmission, using a torque converter.
fluid mechanics
The branch of mechanics dealing with gases and liquids, either at rest or in motion.
flush
To fill underground spaces, especially in coal mines, with material carried by water, which, after drainage, constitutes a compact mass.
flush cast
adjectiveMetallurgy
Cast in such a way as to sit flush, fitting smoothly with the surroundings.
flutter
nounManufacturing
One or more objects or phenomena that flutter, that move as if fluttering, that appear to be fluttering or that cause fluttering; something fluttery.
fly
A vibrating frame with fingers, attached to a power printing press for doing the same work.
fly-in
nounConstruction
A method of application for roll materials by which the dry sheet is set into the bitumen or adhesive applied to the roof surface.
flyboy
A man employed to clear the printed copies from the printing press.
flyweight
A weight that moves outward depending on centrifugal force.
flywheel
A rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate, or as a form of energy storage.
FMNP
Initialism of full mobile number portability.