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blacktop
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a black bituminous material used for paving roads or other areas; usually spread over crushed rock
|
blacktop: a black bituminous material used for paving roads or other areas; usually spread over crushed rock
|
macadam
|
broken stone used in macadamized roadways
|
macadam: broken stone used in macadamized roadways
|
tarmacadam
|
a paving material of tar and broken stone; mixed in a factory and shaped during paving
|
tarmacadam: a paving material of tar and broken stone; mixed in a factory and shaped during paving
|
parget
|
plaster used to coat outer walls and line chimneys
|
parget: plaster used to coat outer walls and line chimneys
|
paving
|
material used to pave an area
|
paving: material used to pave an area
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pay_dirt
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ore that yields a substantial profit to the miner
|
pay_dirt: ore that yields a substantial profit to the miner
|
pearlite
|
a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron
|
pearlite: a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron
|
pectic_acid
|
a complex acid that occurs in ripe fruit and some vegetables
|
pectic_acid: a complex acid that occurs in ripe fruit and some vegetables
|
pectin
|
any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams
|
pectin: any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams
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pediculicide
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a chemical agent that kills lice
|
pediculicide: a chemical agent that kills lice
|
penicillinase
|
enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
|
penicillinase: enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
|
pepsin
|
an enzyme produced in the stomach that splits proteins into peptones
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pepsin: an enzyme produced in the stomach that splits proteins into peptones
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pepsinogen
|
precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
|
pepsinogen: precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
|
perboric_acid
|
a form of boric acid
|
perboric_acid: a form of boric acid
|
perfluorocarbon
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a powerful greenhouse gas emitted during the production of aluminum
|
perfluorocarbon: a powerful greenhouse gas emitted during the production of aluminum
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Permalloy
|
an 80/20 alloy of nickel and iron; easily magnetized and demagnetized
|
Permalloy: an 80/20 alloy of nickel and iron; easily magnetized and demagnetized
|
permanganate
|
a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic
|
permanganate: a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic
|
permanganic_acid
|
an unstable purple acid (HMnO4) known only in solution or of permanganate salts
|
permanganic_acid: an unstable purple acid (HMnO4) known only in solution or of permanganate salts
|
peroxidase
|
any of a group of enzymes (occurring especially in plant cells) that catalyze the oxidation of a compound by a peroxide
|
peroxidase: any of a group of enzymes (occurring especially in plant cells) that catalyze the oxidation of a compound by a peroxide
|
peridot
|
a pale green variety of chrysolite; used as a gemstone
|
peridot: a pale green variety of chrysolite; used as a gemstone
|
peroxide
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an inorganic compound containing the divalent ion -O-O-
|
peroxide: an inorganic compound containing the divalent ion -O-O-
|
pesticide
|
a chemical used to kill pests (as rodents or insects)
|
pesticide: a chemical used to kill pests (as rodents or insects)
|
petrochemical
|
any compound obtained from petroleum or natural gas
|
petrochemical: any compound obtained from petroleum or natural gas
|
petroleum
|
a dark oil consisting mainly of hydrocarbons
|
petroleum: a dark oil consisting mainly of hydrocarbons
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residual_oil
|
oil products that remain after petroleum has been distilled
|
residual_oil: oil products that remain after petroleum has been distilled
|
petrolatum
|
a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
|
petrolatum: a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
|
system
|
(physical chemistry) a sample of matter in which substances in different phases are in equilibrium
|
system: (physical chemistry) a sample of matter in which substances in different phases are in equilibrium
|
phenolic_plastic
|
a plastic consisting of phenolic resins
|
phenolic_plastic: a plastic consisting of phenolic resins
|
phenylalanine
|
an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
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phenylalanine: an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
|
phosgene
|
a colorless poisonous gas that smells like new-mown hay; used in chemical warfare
|
phosgene: a colorless poisonous gas that smells like new-mown hay; used in chemical warfare
|
phosphatase
|
any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates
|
phosphatase: any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates
|
phosphine
|
a colorless gas with a strong fishy smell; used as a pesticide
|
phosphine: a colorless gas with a strong fishy smell; used as a pesticide
|
phosphate
|
a salt of phosphoric acid
|
phosphate: a salt of phosphoric acid
|
phosphocreatine
|
an organic compound of creatine and phosphoric acid; found in the muscles of vertebrates where its hydrolysis releases energy for muscular contraction
|
phosphocreatine: an organic compound of creatine and phosphoric acid; found in the muscles of vertebrates where its hydrolysis releases energy for muscular contraction
|
phospholipid
|
any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
|
phospholipid: any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
|
phosphoric_acid
|
an acid used in fertilizers and soaps: H3PO4
|
phosphoric_acid: an acid used in fertilizers and soaps: H3PO4
|
phthalic_acid
|
a colorless acid used to make dyes and perfumes
|
phthalic_acid: a colorless acid used to make dyes and perfumes
|
phytochemical
|
a chemical substance obtained from plants that is biologically active but not nutritive
|
phytochemical: a chemical substance obtained from plants that is biologically active but not nutritive
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picric_acid
|
a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions
|
picric_acid: a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions
|
pig_iron
|
crude iron tapped from a blast furnace
|
pig_iron: crude iron tapped from a blast furnace
|
pig_lead
|
lead that is cast in pigs
|
pig_lead: lead that is cast in pigs
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plasmin
|
an enzyme that dissolves the fibrin of blood clots
|
plasmin: an enzyme that dissolves the fibrin of blood clots
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plasminogen
|
an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents
|
plasminogen: an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents
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plasminogen_activator
|
protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis
|
plasminogen_activator: protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis
|
platinum_black
|
a fine black powder of platinum; used as a catalyst in chemical reactions
|
platinum_black: a fine black powder of platinum; used as a catalyst in chemical reactions
|
polymerase
|
an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA
|
polymerase: an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA
|
DNA_polymerase
|
the enzyme responsible for DNA replication
|
DNA_polymerase: the enzyme responsible for DNA replication
|
transcriptase
|
the enzyme that copies DNA into RNA
|
transcriptase: the enzyme that copies DNA into RNA
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reverse_transcriptase
|
a polymerase that catalyzes the formation of DNA using RNA as a template; found especially in retroviruses
|
reverse_transcriptase: a polymerase that catalyzes the formation of DNA using RNA as a template; found especially in retroviruses
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coloring_material
|
any material used for its color
|
coloring_material: any material used for its color
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dye
|
a usually soluble substance for staining or coloring e.g. fabrics or hair
|
dye: a usually soluble substance for staining or coloring e.g. fabrics or hair
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tincture
|
a substances that colors metals
|
tincture: a substances that colors metals
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argent
|
a metal tincture used in heraldry to give a silvery appearance
|
argent: a metal tincture used in heraldry to give a silvery appearance
|
alizarin
|
an orange-red crystalline compound used in making red pigments and in dyeing
|
alizarin: an orange-red crystalline compound used in making red pigments and in dyeing
|
alizarin_carmine
|
any of various acid dyes; used for dyeing wool scarlet red
|
alizarin_carmine: any of various acid dyes; used for dyeing wool scarlet red
|
bluing
|
used to whiten laundry or hair or give it a bluish tinge
|
bluing: used to whiten laundry or hair or give it a bluish tinge
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bromophenol_blue
|
a dye used as an acid-base indicator
|
bromophenol_blue: a dye used as an acid-base indicator
|
bromothymol_blue
|
a dye used as an acid-base indicator
|
bromothymol_blue: a dye used as an acid-base indicator
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cochineal
|
a red dyestuff consisting of dried bodies of female cochineal insects
|
cochineal: a red dyestuff consisting of dried bodies of female cochineal insects
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cyanine_dye
|
any of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography
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cyanine_dye: any of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography
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direct_dye
|
dye with a high affinity for cellulose fibers (cotton or rayon etc.)
|
direct_dye: dye with a high affinity for cellulose fibers (cotton or rayon etc.)
|
eosin
|
a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures
|
eosin: a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures
|
fluorescein
|
a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
|
fluorescein: a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
|
fluorescein_isothiocyanate
|
a fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescence
|
fluorescein_isothiocyanate: a fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescence
|
fluorochrome
|
any of various fluorescent substances used in fluorescence microscopy to stain specimens
|
fluorochrome: any of various fluorescent substances used in fluorescence microscopy to stain specimens
|
hair_dye
|
a dye or tint for the hair
|
hair_dye: a dye or tint for the hair
|
hematochrome
|
a reddish coloring material found in some algae
|
hematochrome: a reddish coloring material found in some algae
|
henna
|
a reddish brown dye used especially on hair
|
henna: a reddish brown dye used especially on hair
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rinse
|
a liquid preparation used on wet hair to give it a tint
|
rinse: a liquid preparation used on wet hair to give it a tint
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Kendal_green
|
a green dye, often used to color cloth, which is obtained from the woad plant
|
Kendal_green: a green dye, often used to color cloth, which is obtained from the woad plant
|
lac_dye
|
scarlet dye like cochineal; extracted with alkali from stick lac
|
lac_dye: scarlet dye like cochineal; extracted with alkali from stick lac
|
lead_acetate
|
a poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and varnishes
|
lead_acetate: a poisonous white solid (Pb[CH3CO]2) used in dyeing cotton and in making enamels and varnishes
|
orchil
|
a purplish dye obtained from orchil lichens
|
orchil: a purplish dye obtained from orchil lichens
|
phenol
|
any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
|
phenol: any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
|
pigment
|
dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
|
pigment: dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
|
pigment
|
any substance whose presence in plant or animal tissues produces a characteristic color
|
pigment: any substance whose presence in plant or animal tissues produces a characteristic color
|
bole
|
a soft oily clay used as a pigment (especially a reddish brown pigment)
|
bole: a soft oily clay used as a pigment (especially a reddish brown pigment)
|
lake
|
any of numerous bright translucent organic pigments
|
lake: any of numerous bright translucent organic pigments
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lake
|
a purplish red pigment prepared from lac or cochineal
|
lake: a purplish red pigment prepared from lac or cochineal
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orange
|
any pigment producing the orange color
|
orange: any pigment producing the orange color
|
watercolor
|
water-soluble pigment
|
watercolor: water-soluble pigment
|
pine_tar
|
a dark viscous substance obtained from the destructive distillation of pine wood
|
pine_tar: a dark viscous substance obtained from the destructive distillation of pine wood
|
pisang_wax
|
a wax obtained from the leaves of a plantain
|
pisang_wax: a wax obtained from the leaves of a plantain
|
plant_material
|
material derived from plants
|
plant_material: material derived from plants
|
plant_product
|
a product made from plant material
|
plant_product: a product made from plant material
|
plasma
|
a green slightly translucent variety of chalcedony used as a gemstone
|
plasma: a green slightly translucent variety of chalcedony used as a gemstone
|
plaster
|
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
|
plaster: a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
|
plaster_of_Paris
|
any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
|
plaster_of_Paris: any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
|
puddle
|
a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry
|
puddle: a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry
|
podzol
|
a soil that develops in temperate to cold moist climates under coniferous or heath vegetation; an organic mat over a grey leached layer
|
podzol: a soil that develops in temperate to cold moist climates under coniferous or heath vegetation; an organic mat over a grey leached layer
|
poison_gas
|
a gas that is poisonous to breath or contact; used in chemical warfare
|
poison_gas: a gas that is poisonous to breath or contact; used in chemical warfare
|
polyester
|
a complex ester used for making fibers or resins or plastics or as a plasticizer
|
polyester: a complex ester used for making fibers or resins or plastics or as a plasticizer
|
polyester
|
any of numerous synthetic resins; they are light and strong and weather resistant
|
polyester: any of numerous synthetic resins; they are light and strong and weather resistant
|
polyester_fiber
|
a quick-drying resilient synthetic fiber consisting primarily of polyester
|
polyester_fiber: a quick-drying resilient synthetic fiber consisting primarily of polyester
|
polysaccharide
|
any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules
|
polysaccharide: any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules
|
polymer
|
a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
|
polymer: a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
|
polyphosphate
|
a salt or ester of polyphosphoric acid
|
polyphosphate: a salt or ester of polyphosphoric acid
|
polyunsaturated_fat
|
a class of fats having long carbon chains with many double bonds unsaturated with hydrogen atoms; used in some margarines; supposedly associated with low blood cholesterol
|
polyunsaturated_fat: a class of fats having long carbon chains with many double bonds unsaturated with hydrogen atoms; used in some margarines; supposedly associated with low blood cholesterol
|
potassium_ferrocyanide
|
a cyanide compound that is prepared by the reaction of potassium cyanide with ferrous salts; commonly used by gardeners
|
potassium_ferrocyanide: a cyanide compound that is prepared by the reaction of potassium cyanide with ferrous salts; commonly used by gardeners
|
potassium_permanganate
|
a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic
|
potassium_permanganate: a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic
|
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