An early incendiary device, an earthenware pot filled with combustible materials and ignited through a hole in the bottom.
firespout
firestop
firestop
noun
(construction) A fire block.
(construction) Any multi-component system designed to stop fire and smoke from migrating through openings around piping, wiring, ductwork, cable trays, bus ducts, etc., as well as through movement joints in walls and floors that are required to have a fire-resistance rating.
firestopping
firestopping
noun
Material used as a firestop.
firetop
firetrap
firetrap
noun
(informal) A building with limited emergency exits in which people would be trapped in the event of a fire.
firetraps
firetraps
noun
plural of firetrap
fishplate
fishplate
noun
(rail transport) A metal bar that is bolted to the ends of two rails to join them together in a track.
verb
(transitive, rail transport) To connect (rails) together using a fishplate.
fishpotter
fissipalmate
fissipedate
flapmouthed
flappet
flappet
noun
An African lark Mirafra rufocinnamomea; properly the flappet lark
flappiest
flappiest
adj
superlative form of flappy: most flappy
flattercap
flavoprotein
flavoprotein
noun
(biochemistry) any of a group of enzymes, containing flavin, that act as dehydrogenases
fleapit
fleapit
noun
Alternative spelling of flea pit
fleapits
fleapits
noun
plural of fleapit
fleshpot
fleshpot
noun
A place offering entertainment of a sensual or luxurious nature.
fleshpots
fleshpots
noun
plural of fleshpot
flippantness
flippantness
noun
The quality of being flippant.
flippest
flippest
adj
superlative form of flip: most flip
flitchplate
floatplane
floatplane
noun
A seaplane that has floats for landing or taking off from the water.
floatplanes
floatplanes
noun
plural of floatplane
floppiest
floppiest
adj
superlative form of floppy: most floppy
flowerpot
flowerpot
noun
A pot filled with soil in which plants are grown.
flowerpots
flowerpots
noun
plural of flowerpot
fluophosphate
fluophosphate
noun
(chemistry) A double salt of fluoric acid and phosphoric acid.
fluorapatite
fluorapatite
noun
(mineralogy) A calcium halophosphate mineral, in which fluoride replaces the hydroxide of apatite, that is mined as a phosphate ore, and occurs in the enamel of teeth.
fluorophosphate
fluorophosphate
noun
(inorganic chemistry) The anion PO₃F²⁻ formed by replacing one hydroxyl of a phosphate anion with a fluorine atom; any salt containing such an anion
(organic chemistry) The functional group >PO₃F formed by replacing one hydroxyl of a phosphate group with a fluorine atom; any compound containing such a group
fluorotype
fluorotype
noun
(historical) A photographic process in which salts of fluoric acid were employed for the purpose of producing images in the camera.
foetiparous
foetiparous
adj
Alternative form of fetiparous
footmenfootpad
footpace
footpace
noun
A dais, or elevated platform; the highest step of the altar; a landing in a staircase.
A walking pace or step.
footpaces
footpaces
noun
plural of footpace
footpaddery
footpaddery
noun
(historical) The crime of robbing travelers on the road.
footplate
footplate
noun
(anatomy) The flat portion at the base of the stapes; pedicel.
(auto parts) A platform on which the driver's foot rests but which, unlike a pedal, has no effect.
(construction) A timber in a wood frame that distributes a concentrated load.
(rail transport) The metal plate which forms the base platform of a steam locomotive and supports the boiler and the driver's cab, particularly in the United Kingdom.
The engineer's cab in any kind of train.
The part of a roller skate that attaches to the boot.
verb
(rail transport) To travel (or work) on the footplate of a locomotive.
footrope
footrope
noun
(nautical) a rope attached to a yard that sailors stood on to stabilize it when furling or reefing
(nautical) a rope attached to the lower part of a sail
footropes
footropes
noun
plural of footrope
footscraper
footstep
footstep
noun
(obsolete) An inclined plane under a hand printing press.
A step, as in a stair.
By extension, the indications or waypoints of a course or direction taken.
The act of taking a step.
The distance between one foot and the next when walking; a pace.
The mark or impression left by a foot; a track.
The sound made by walking, running etc.
footsteps
footsteps
noun
plural of footstep
forceput
forcipate
forcipate
adj
(botany, zoology) Having a forceps-like structure.
forcipated
forcipated
adj
Like a pair of forceps.
forcipulate
foreadapt
foreappoint
foreappoint
verb
(transitive) To appoint beforehand.
foreappointment
foreappointment
noun
Previous appointment; preordination.
forecatharping
foreparent
foreparent
noun
(somewhat uncommon) a forefather or foremother (used as a gender-neutral equivalent)
foreparents
foreparents
noun
plural of foreparent
forepart
forepart
noun
The front or anterior part of something.
foreparts
foreparts
noun
plural of forepart
forepast
forepast
adj
(obsolete) That has passed; bygone.
forepayment
forepayment
noun
payment made in advance
foreplanting
foreplot
forepoint
forepoint
verb
(transitive) To foreshadow.
forepointer
forepost
forepredicament
forepreparation
forepreparation
noun
Something done in advance, to make ready; preparation.
forepretended
foreproduct
forereport
forescript
forescript
noun
A prescription.
forespent
forespent
verb
simple past tense and past participle of forespend
foresteep
forestep
forestep
noun
an initial, previous, or early step; a prior stage or phase in a process or development cycle
forestership
forestership
noun
The post or status of forester.
forestport
foretop
foretop
noun
(UK dialectal) An erect tuft of hair.
(nautical) A platform at the top of the foremast, supported by the trestle trees.
(obsolete) A fop; one who sports a foretop.
(obsolete) In the phrase, to take time (or occasion or opportunity) by the foretop, meaning "to boldly seize an opportunity".
(obsolete) The lock of hair which grows on top of the forehead; the corresponding part of a wig.
(obsolete) The top of the head; the top of the forehead.
The forelock of a horse.
The front seat at the top of a horse-drawn vehicle.
foretopman
foretopman
noun
(nautical) A sailor who controls the masts in the foretop.
foretopmast
foretopmast
noun
(nautical) The mast above the foretop.
foretopmen
foretopmen
noun
plural of foretopman
foretops
foretops
noun
plural of foretop
foretopsail
foretopsail
noun
(nautical) The sail draped from the foretopmast.
foretype
foretype
noun
A type or figure occurring beforehand or in advance; forerunner; predecessor; prototype
verb
(transitive) To make into a foretype, or exemplify as such; to foreshadow; exemplify beforehand
foretypified
foretypified
adj
Typified beforehand.
formaldehydesulphoxylate
formaldehydesulphoxylate
noun
A salt or ester of formaldehydesulphoxylic acid.
forpet
forpet
noun
(dated, Scotland) A quarter (fourth part) used especially as a unit of mass or capacity.
forspent
forspent
adj
(archaic, poetic) exhausted
fortepiano
fortepiano
noun
A keyboard instrument; the smaller, quieter precursor to the pianoforte.
fortepianos
fortepianos
noun
plural of fortepiano
fortypenny
fortypenny
adj
(UK) Having a value or cost of forty pence.
fostership
fostership
noun
The relationship between foster parent and foster child.
fourposter
fourposter
noun
Alternative form of four-poster (“type of bed”)
fourposters
fourposters
noun
plural of fourposter
fractureproof
fractureproof
adj
resistant to fracture
freakpot
freeport
freeport
noun
Alternative form of free port
frigidoreceptor
frigotherapy
frippet
frippet
noun
(obsolete) A frivolous young woman.
frontispiece
frontispiece
noun
(archaic, publishing) The title page of a book.
(architecture) A façade, especially an ornamental one.
(architecture) A small ornamental pediment, especially at the top of a window or door.
(publishing) An illustration that is on the page before the title page of a book, a section of one, or a magazine.
(slang, archaic, humorous) A person's face.
verb
(transitive, rare) To supply with a frontispiece.
frontispieced
frontispieced
verb
simple past tense and past participle of frontispiece
frontispieces
frontispieces
noun
plural of frontispiece
frontispiecing
frontispiecing
verb
present participle of frontispiece
frontoparietal
frontoparietal
adj
(anatomy) frontal and parietal (relating to such bones or lobes)
noun
The frontal bone and parietal bone considered as a unit
frontopontine
frontopontine
adj
(anatomy) Of or relating to the frontal lobe and the pons; applied to a group of fibers situated in the medial fifth of the base of the cerebral peduncles.
frontosphenoidal
frontotemporal
frontotemporal
adj
(anatomy) Of or pertaining to the frontal and temporal bones or lobes
frontpiece
frontspiece
frontspieces
frostnipped
frostnipped
adj
Affected by frostnip.
frumpiest
frumpiest
adj
superlative form of frumpy: most frumpy
furzetop
giftwrapped
giftwrapped
verb
simple past tense and past participle of giftwrap
godfathership
godfathership
noun
The role or status of a godfather.
grandfathership
grandfathership
noun
The state of being a grandfather.
grapefruit
grapefruit
noun
The large spherical tart fruit produced by this tree.
The tree of the species Citrus paradisi, a hybrid of pomelo (Citrus maxima) and sweet orange.
grapefruits
grapefruits
noun
plural of grapefruit
halfpennyworth
halfpennyworth
noun
(Britain) As much as could be bought for a halfpenny (pre- or post-decimalisation).
(Britain, informal) A negligible amount.
(Britain, informal) One's opinion or thoughts; one's two cents.
halterproof
hasteproof
heatproof
heatproof
adj
insulating and incombustible
verb
(transitive) To make insulating and incombustible.
hepatoflavin
hepatoflavin
noun
(biochemistry, rare) A derivative of vitamin B which prevents skin lesions and weight loss.
herpetiform
herpetiform
adj
Resembling the symptoms of herpes.
hesperornithiformes
hyperconfident
hyperconfident
adj
Extremely confident.
hyperconfidently
hyperconformist
hyperconformity
hyperconformity
noun
Excessive conformity
hyperdeification
hyperfastidious
hyperfastidious
Adjective
Extremely fastidious.
hyperfastidiously
hyperfastidiousness
hyperfederalist
hyperflexibility
hyperflexibility
noun
The condition of being hyperflexible
hyperfunction
hyperfunction
noun
(mathematics) A generalization of a function
(medicine) Abnormally elevated function
hyperfunctional
hyperfunctional
adj
Having, or characterised by, increased function
hyperfunctionally
hyperfunctioning
hyperfunctioning
noun
Excessive functioning
hyperinflation
hyperinflation
noun
(economics) A very high rate of inflation.
hyperperfection
hypocrateriform
hypocrateriform
adj
(botany) Shaped like a salver.
hyposulfite
hyposulfite
noun
(inorganic chemistry) The SO₂²⁻ oxyanion; any salt containing this ion
(inorganic chemistry) The thiosulfate anion and salts
imperfect
imperfect
adj
(botany) unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both.
(grammar) belonging to a tense of verbs used in describing a past action that is incomplete or continuous
(obsolete) lacking some elementary organ that is essential to successful or normal activity.
(taxonomy) known or expected to be polyphyletic, as of a form taxon.
not perfect
noun
(grammar) a tense of verbs used in describing a past action that is incomplete or continuous
something having a minor flaw
verb
(transitive) to make imperfect
imperfectability
imperfectability
noun
the quality of not being perfectable; of being forever imperfect
imperfected
imperfected
verb
simple past tense and past participle of imperfect
imperfectibility
imperfectibility
noun
The state or quality of being imperfectible.
imperfectible
imperfectible
adj
Incapable of being made perfect.
imperfection
imperfection
noun
(countable) Something that makes something else less than perfect; a blemish, impurity, error, etc.
(uncountable) Those qualities or features that are imperfect; the characteristic, state, or quality of being imperfect.
imperfections
imperfections
noun
plural of imperfection
imperfectious
imperfective
imperfective
adj
Of, relating to or having the properties of the imperfective aspect.
noun
The imperfective aspect; a verb having this aspect.
imperfectly
imperfectly
adv
In an imperfect manner or degree; not fully or completely.
imperfectness
imperfectness
noun
The state of being imperfect.
imperfects
imperfects
noun
plural of imperfect
verb
Third-person singular simple present indicative form of imperfect
imperforata
imperforate
imperforate
adj
(medicine) Synonym of atretic
Not perforated, as:
noun
(philately) A postage stamp that has not been perforated.
imperforated
imperforated
adj
Not perforated; having no opening or aperture; imperforate.