fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
fuel oil
Noun
a petroleum product used for fuel
fergusonite
Noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
fluorapatite
Noun
a form of apatite in which fluorine predominates over chlorine
fluorite
Noun
a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light
fluorspar
Noun
a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light
fluor
Noun
a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light
fusible metal
Noun
an alloy with a low melting point and used as solder and in safety plugs and sprinkler fuses
fool's gold
Noun
a common mineral (iron disulfide) that has a pale yellow color
fish glue
Noun
gelatinous substance obtained by boiling skins fins and bones of fish
fibrin
Noun
a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots
filaggrin
Noun
the main protein of the keratohyalin granules
fermentation alcohol
Noun
the intoxicating agent in fermented and distilled liquors
firedamp
Noun
a mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with air
fly ash
Noun
fine solid particles of ash that are carried into the air when fuel is combusted
follicle-stimulating hormone
Noun
a gonadotropic hormone that is secreted by the anterior pituitary and stimulates growth of Graafian follicles in female mammals, and activates the cells in male mammals that form sperm
fatty acid
Noun
any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis
fibrinopeptide
Noun
peptide released from the amino end of fibrinogen by the action of thrombin to form fibrin during clotting of the blood
fulminate
Noun
a salt or ester of fulminic acid
fulminate
Verb
cause to explode violently and with loud noise
fulminate
Verb
come on suddenly and intensely
fulminate
Verb
criticize severely
fulminate of mercury
Noun
a fulminate that when dry explodes violently if struck or heated
fulminating mercury
Noun
a fulminate that when dry explodes violently if struck or heated
fluxing lime
Noun
a white crystalline oxide used in the production of calcium hydroxide
fireclay
Noun
a heat-resistant clay
ferroconcrete
Noun
concrete with metal and/or mesh added to provide extra support against stresses
formalin
Noun
a 10% solution of formaldehyde in water
formol
Noun
a 10% solution of formaldehyde in water
food waste
Noun
food that is discarded (as from a kitchen)
fumes
Noun
gases ejected from an engine as waste products
fecal matter
Noun
solid excretory product evacuated from the bowels
faecal matter
Noun
solid excretory product evacuated from the bowels
feces
Noun
solid excretory product evacuated from the bowels
faeces
Noun
solid excretory product evacuated from the bowels
fecula
Noun
excreta (especially of insects)
ferric oxide
Noun
a red oxide of iron
ferricyanic acid
Noun
a brown unstable acid formed from ferricyanide
ferricyanide
Noun
salt of ferricyanic acid obtained by oxidation of a ferrocyanide
fig wax
Noun
a hard cream-colored wax obtained from a Javanese fig tree
ferritin
Noun
a protein containing 20% iron that is found in the intestines and liver and spleen
ferrocerium
Noun
a pyrophoric alloy of iron with cerium
ferrocyanic acid
Noun
a white unstable acid formed from ferrocyanide salts
ferrocyanide
Noun
salt of ferrocyanic acid usually obtained by a reaction of a cyanide with iron sulphate
fiberglass
Noun
a covering material made of glass fibers in resins
fibreglass
Noun
a covering material made of glass fibers in resins
fish meal
Noun
ground dried fish used as fertilizer and as feed for domestic livestock