firepot
A pot used to hold or carry fire.
An early incendiary device, an earthenware pot filled with combustible materials and ignited through a hole in the bottom.

firepots
plural of firepot

firestone
Iron pyrite, formerly used for striking fire.
A flint.
A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.

firestones
plural of firestone

firestream
The stream of water or foam used to extinguish a fire.

firestreams
plural of firestream

firestriker
A piece of high-carbon steel used for striking a spark, usually kept in a tinderbox with flint and tinder.

firestrikers
plural of firestriker

firework
A device using gunpowder and other chemicals which, when lit, emits a combination of coloured flames, sparks, whistles or bangs, and sometimes made to rocket high into the sky before exploding, used for entertainment or celebration.

fireworks
plural of firework.

firmware
A permanent form of software that provides a low-level control of computing device hardware.
Software that is intended for such embedded computer applications.

firth
An arm or inlet of the sea; a river estuary.

firths
plural of firth

fish trap
A contraption made of wires, rods, fishing-net or other suitable materials with the purpose of catching fish alive.

fish traps
plural of fish trap

fishbolt
A bolt used to fasten fishplates.

fishbolts
plural of fishbolt

fishcam
A webcam used to capture and publish images of fish.

fishcams
plural of fishcam

fishfinding
The location of fish by means of a fishfinder device.

fishhook
A barbed hook, usually metal, used for fishing.
A jack (type of playing card).

fishhooks
plural of fishhook
A pair of jacks (the playing card)

fishkettle
Alternative form of fish kettle.

fishkettles
plural of fishkettle

fishnet
A net used to catch fish.
A fabric mesh with an open diamond-shaped structure.
Stockings made of fishnet fabric.

fishnets
plural of fishnet
Pairs or a pair of stockings made of fishnet fabric.

fishpot
A basket or similar container that is sunk, with a float attached, and used for catching fish or other sea creatures

fishpots
plural of fishpot

fitusiran
An antithrombin-directed small interfering ribonucleic acid medication used to treat hemophilia.

fivek
A five-pronged fork.

fixture
Something that is fixed in place, especially a permanent appliance or other item of personal property that is considered part of a house and is sold with it; compare fitting, furnishing.
A regular patron of a place or institution; a person constantly present at a certain place.
A lighting unit; a luminaire.
A work-holding or support device used in the manufacturing industry.
A scheduled match.
A state that can be recreated, used as a baseline for running software tests.

fixtures
plural of fixture

fixturings
plural of fixturing

flacon
A small stoppered glass bottle, often used for keeping perfume.

flacons
plural of flacon

fladries
plural of fladry

fladry
A string of flags (usually red) used to demarcate boundaries that contain wildlife such as wolves, and deter them from crossing.

flagella
plural of flagellum

flagellae
plural of flagellum

flagellum
In protists, a long, whiplike membrane-enclosed organelle used for locomotion or feeding.
In bacteria, a long, whiplike proteinaceous appendage, used for locomotion.
A whip.

flagellums
plural of flagellum

flagstone
A flat, rectangular piece of rock or stone used for paving or roofing.
One of several types of rock easily split and suitable for making flagstones.

flagstones
plural of flagstone

flaker
A tool or appliance used to break flakes off a piece of material or something into it.
Someone who fails to meet commitments, who shows interest but then fails to follow through.

flakers
plural of flaker

flamegraph
A visual representation of hierarchical data used to analyze system and application performance metrics.

flamegraphs
plural of flamegraph

flameproofer
Any substance used for flameproofing.

flameproofers
plural of flameproofer

flanger
An electronic device or software that alters the sound of an instrument by combining out-of-phase copies of its original sound.
A mechanical device used to remove ice and snow from railway lines.

flangers
plural of flanger

flap
Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.
A hinged leaf.
A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag.
A side fin of a ray.
The motion of anything broad and loose, or a sound or stroke made with it.
A controversy, scandal, stir, or upset.
A consonant sound made by a single muscle contraction, such as the sound /ɾ/ in the standard American English pronunciation of body.
A piece of tissue incompletely detached from the body, as an intermediate stage of plastic surgery.
The labia, the vulva.
A blow or slap (especially to the face).
A young prostitute.
A connected component of the induced subgraph formed by deleting a set of vertices.

flapdock
Alternative form of flopdock.

flapgate
Alternative spelling of flap gate.

flapgates
plural of flapgate

flaps
A disease in the mouths of horses involving inflammation in the cheeks or lips.

flashboard
A board placed temporarily upon a dam, river, stream, etc. (typically within a permanent frame) to raise the water above its usual level.
A board that controls the flow of any material.
A sheet of material that is subjected to an electric pulse or flashover in order to produce plasma.
Any automated display that shows temporary information.
Any automated display that shows temporary information.
An acrylic board used to display children's work in a school.
A board for displaying language material in the classroom, used like a flashcard but potentially holding more information.
A device used in the 1920s for teaching typing skills which provided feedback on which key was pressed by lighting up the corresponding value.

flashboards
plural of flashboard

flashforward
A dramatic device in which a future event is inserted into the normal chronological flow of a narrative.

flashforwards
plural of flashforward

flashgun
An electrically powered device used to trigger a flashbulb.
Any similar unit used to generate repeatable flashes of light for photography.

flashguns
plural of flashgun

flashlight
A battery-powered hand-held light source.
A flashgun (device used to create flashes of light for photography).
A photograph taken with a flash camera.

flashlights
plural of flashlight

flashpot
A kind of pyrotechnic device.

flashpots
plural of flashpot

flaskette
A small flask (laboratory equipment)

flaskettes
plural of flaskette

flatiron
A simple iron (for pressing laundry) which is heated on a stove.
A pair of metal tongs with heated ceramic plates used for straightening hair.
a quadrilateral with two parallel sides, one of which is very short, and whose non-parallel sides are longer than either parallel side.
A steeply sloping triangular landform created by the differential erosion of a steeply dipping, erosion-resistant layer of rock overlying softer strata.
Ellipsis of flat iron steak.

flatirons
plural of flatiron

flatmount
Any of several different devices that are mounted flat against something.
A type of disc brake mount mainly used on road and gravel bikes.

flatmounts
plural of flatmount

flatrod
A hinged rod used to transfer a water wheel's mechanical movement over short distances.

flatrods
plural of flatrod

flatscreen
Being slim from front to back, as opposed to earlier bulky, CRT-based models.

flatscreens
plural of flatscreen

flatware
Eating utensils; cutlery, such as forks, knives and spoons.
Plates, dishes and other relatively flat crockery.

flatwares
plural of flatware

flavoxate
A particular antimuscarinic used to control bladder spasms.