noun
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trypsinogen
|
inactive precursor of trypsin; a substance secreted by the pancreas and converted to active trypsin by enterokinase in the small intestine
|
trypsinogen: inactive precursor of trypsin; a substance secreted by the pancreas and converted to active trypsin by enterokinase in the small intestine
|
tryptophan
|
an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
|
tryptophan: an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
|
tuna_oil
|
an oil obtained from tuna
|
tuna_oil: an oil obtained from tuna
|
tundra_soil
|
a black mucky soil with a frozen subsoil that is characteristic of Arctic and subarctic regions
|
tundra_soil: a black mucky soil with a frozen subsoil that is characteristic of Arctic and subarctic regions
|
tungsten_steel
|
a very hard heat-resistant steel containing tungsten
|
tungsten_steel: a very hard heat-resistant steel containing tungsten
|
tungstate
|
a salt of tungstic acid
|
tungstate: a salt of tungstic acid
|
tungstic_acid
|
an oxyacid of tungsten (often polymeric in nature) formed by neutralizing alkaline tungstate solutions
|
tungstic_acid: an oxyacid of tungsten (often polymeric in nature) formed by neutralizing alkaline tungstate solutions
|
turquoise
|
a blue to grey green mineral consisting of copper aluminum phosphate
|
turquoise: a blue to grey green mineral consisting of copper aluminum phosphate
|
typewriter_paper
|
writing paper suitable for use in a typewriter
|
typewriter_paper: writing paper suitable for use in a typewriter
|
tyramine
|
amino acid derived from tyrosine; has a sympathomimetic action; found in chocolate and cola drinks and ripe cheese and beer
|
tyramine: amino acid derived from tyrosine; has a sympathomimetic action; found in chocolate and cola drinks and ripe cheese and beer
|
tyrosine
|
an amino acid found in most proteins; a precursor of several hormones
|
tyrosine: an amino acid found in most proteins; a precursor of several hormones
|
ubiquinone
|
any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration
|
ubiquinone: any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration
|
ultramarine
|
blue pigment made of powdered lapis lazuli
|
ultramarine: blue pigment made of powdered lapis lazuli
|
French_blue
|
ultramarine pigment prepared artificially
|
French_blue: ultramarine pigment prepared artificially
|
umber
|
an earth pigment
|
umber: an earth pigment
|
raw_umber
|
greenish brown pigment
|
raw_umber: greenish brown pigment
|
burnt_umber
|
dark brown pigment obtained by heating umber
|
burnt_umber: dark brown pigment obtained by heating umber
|
undecylenic_acid
|
an acid that is a component of perspiration
|
undecylenic_acid: an acid that is a component of perspiration
|
unleaded_gasoline
|
gasoline that has not been treated with a lead compound
|
unleaded_gasoline: gasoline that has not been treated with a lead compound
|
undercut
|
the material removed by a cut made underneath
|
undercut: the material removed by a cut made underneath
|
urease
|
an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria
|
urease: an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria
|
urethane
|
an ester of carbamic acid
|
urethane: an ester of carbamic acid
|
uracil
|
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
|
uracil: a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
|
uraninite
|
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
|
uraninite: a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
|
uranium_ore
|
any ore from which uranium can be extracted
|
uranium_ore: any ore from which uranium can be extracted
|
uranyl
|
the bivalent radical UO2 which forms salts with acids
|
uranyl: the bivalent radical UO2 which forms salts with acids
|
uranyl_nitrate
|
a yellow salt obtained by the reaction of uranium salts with nitric acid
|
uranyl_nitrate: a yellow salt obtained by the reaction of uranium salts with nitric acid
|
uranyl_oxalate
|
a salt obtained by the reaction of uranium salts with oxalic acid
|
uranyl_oxalate: a salt obtained by the reaction of uranium salts with oxalic acid
|
urea
|
the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
|
urea: the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
|
uric_acid
|
a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine
|
uric_acid: a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine
|
urate
|
a salt of uric acid
|
urate: a salt of uric acid
|
tophus
|
a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout
|
tophus: a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout
|
valine
|
an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults
|
valine: an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults
|
linseed
|
the seed of flax used as a source of oil
|
linseed: the seed of flax used as a source of oil
|
linseed_oil
|
a drying oil extracted from flax seed and used in making such things as oil paints
|
linseed_oil: a drying oil extracted from flax seed and used in making such things as oil paints
|
tung_oil
|
a yellow oil obtained from the seeds of the tung tree
|
tung_oil: a yellow oil obtained from the seeds of the tung tree
|
chaulmoogra_oil
|
an oil from chaulmoogra trees; used in treatment of skin diseases and leprosy
|
chaulmoogra_oil: an oil from chaulmoogra trees; used in treatment of skin diseases and leprosy
|
vanadate
|
a salt or ester of vanadic acid; an anion containing pentavalent vanadium
|
vanadate: a salt or ester of vanadic acid; an anion containing pentavalent vanadium
|
vanadinite
|
a mineral consisting of chloride and vanadate of lead; a source of vanadium
|
vanadinite: a mineral consisting of chloride and vanadate of lead; a source of vanadium
|
vanadium_pentoxide
|
any of various oxyacids of vanadium; known mostly in the form of its salts
|
vanadium_pentoxide: any of various oxyacids of vanadium; known mostly in the form of its salts
|
vanadium_steel
|
steel alloyed with vanadium for greater strength and high-temperature stability
|
vanadium_steel: steel alloyed with vanadium for greater strength and high-temperature stability
|
vellum
|
a heavy creamy-colored paper resembling parchment
|
vellum: a heavy creamy-colored paper resembling parchment
|
vermiculite
|
any of a group of yellow or brown hydrous silicate minerals having a micaceous structure
|
vermiculite: any of a group of yellow or brown hydrous silicate minerals having a micaceous structure
|
very_low_density_lipoprotein
|
large lipoproteins rich in triglycerides; VLDLs circulate through the blood giving up their triglycerides to fat and muscle tissue until the VLDL remnants are modified and converted into LDL
|
very_low_density_lipoprotein: large lipoproteins rich in triglycerides; VLDLs circulate through the blood giving up their triglycerides to fat and muscle tissue until the VLDL remnants are modified and converted into LDL
|
vesuvianite
|
a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
|
vesuvianite: a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
|
vinegar
|
dilute acetic acid
|
vinegar: dilute acetic acid
|
vinyl
|
shiny and tough and flexible plastic; used especially for floor coverings
|
vinyl: shiny and tough and flexible plastic; used especially for floor coverings
|
vinyl
|
a univalent chemical radical derived from ethylene
|
vinyl: a univalent chemical radical derived from ethylene
|
vinyl_polymer
|
a thermoplastic derived by polymerization from compounds containing the vinyl group
|
vinyl_polymer: a thermoplastic derived by polymerization from compounds containing the vinyl group
|
iodopsin
|
a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
|
iodopsin: a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
|
visual_purple
|
a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
|
visual_purple: a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
|
photopigment
|
a special pigment found in the rods and cones of the retina
|
photopigment: a special pigment found in the rods and cones of the retina
|
vitamin
|
any of a group of organic substances essential in small quantities to normal metabolism
|
vitamin: any of a group of organic substances essential in small quantities to normal metabolism
|
fat-soluble_vitamin
|
any vitamin that is soluble in fats
|
fat-soluble_vitamin: any vitamin that is soluble in fats
|
water-soluble_vitamin
|
any vitamin that is soluble in water
|
water-soluble_vitamin: any vitamin that is soluble in water
|
vitamin_A
|
any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
|
vitamin_A: any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
|
vitamin_A1
|
an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
|
vitamin_A1: an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
|
vitamin_A2
|
a viscous alcohol that is less active in mammals than is vitamin A1
|
vitamin_A2: a viscous alcohol that is less active in mammals than is vitamin A1
|
provitamin
|
vitamin precursor; a substance that is converted into a vitamin in animal tissues
|
provitamin: vitamin precursor; a substance that is converted into a vitamin in animal tissues
|
provitamin_A
|
an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver
|
provitamin_A: an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver
|
B-complex_vitamin
|
originally thought to be a single vitamin but now separated into several B vitamins
|
B-complex_vitamin: originally thought to be a single vitamin but now separated into several B vitamins
|
vitamin_B1
|
a B vitamin that prevents beriberi; maintains appetite and growth
|
vitamin_B1: a B vitamin that prevents beriberi; maintains appetite and growth
|
vitamin_B12
|
a B vitamin that is used to treat pernicious anemia
|
vitamin_B12: a B vitamin that is used to treat pernicious anemia
|
vitamin_B2
|
a B vitamin that prevents skin lesions and weight loss
|
vitamin_B2: a B vitamin that prevents skin lesions and weight loss
|
vitamin_B6
|
a B vitamin that is essential for metabolism of amino acids and starch
|
vitamin_B6: a B vitamin that is essential for metabolism of amino acids and starch
|
vitamin_Bc
|
a B vitamin that is essential for cell growth and reproduction
|
vitamin_Bc: a B vitamin that is essential for cell growth and reproduction
|
niacin
|
a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
|
niacin: a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
|
vitamin_D
|
a fat-soluble vitamin that prevents rickets
|
vitamin_D: a fat-soluble vitamin that prevents rickets
|
vitamin_E
|
a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
|
vitamin_E: a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
|
biotin
|
a B vitamin that aids in body growth
|
biotin: a B vitamin that aids in body growth
|
vitamin_K
|
a fat-soluble vitamin that helps in the clotting of blood
|
vitamin_K: a fat-soluble vitamin that helps in the clotting of blood
|
vitamin_K1
|
a form of vitamin K
|
vitamin_K1: a form of vitamin K
|
vitamin_K3
|
a form of vitamin K
|
vitamin_K3: a form of vitamin K
|
vitamin_P
|
a vitamin that maintains the resistance of cell and capillary walls to permeation
|
vitamin_P: a vitamin that maintains the resistance of cell and capillary walls to permeation
|
vitamin_C
|
a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
|
vitamin_C: a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
|
vitriol
|
(H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
|
vitriol: (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
|
volatile
|
a volatile substance; a substance that changes readily from solid or liquid to a vapor
|
volatile: a volatile substance; a substance that changes readily from solid or liquid to a vapor
|
wallpaper
|
a decorative paper for the walls of rooms
|
wallpaper: a decorative paper for the walls of rooms
|
waste_paper
|
paper discarded after use
|
waste_paper: paper discarded after use
|
water_of_crystallization
|
the water present in hydrated compounds
|
water_of_crystallization: the water present in hydrated compounds
|
wax
|
any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water
|
wax: any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water
|
beeswax
|
a yellow to brown wax secreted by honeybees to build honeycombs
|
beeswax: a yellow to brown wax secreted by honeybees to build honeycombs
|
Ghedda_wax
|
wax from Indian and African bees
|
Ghedda_wax: wax from Indian and African bees
|
cerumen
|
a soft yellow wax secreted by glands in the ear canal
|
cerumen: a soft yellow wax secreted by glands in the ear canal
|
paraffin
|
from crude petroleum; used for candles and for preservative or waterproof coatings
|
paraffin: from crude petroleum; used for candles and for preservative or waterproof coatings
|
spermaceti
|
a white waxy substance from oil of the sperm whale
|
spermaceti: a white waxy substance from oil of the sperm whale
|
vegetable_wax
|
a waxy substance obtained from plants (especially from the trunks of certain palms)
|
vegetable_wax: a waxy substance obtained from plants (especially from the trunks of certain palms)
|
shellac_wax
|
a hard wax separated from shellac by its insolubility in alcohol
|
shellac_wax: a hard wax separated from shellac by its insolubility in alcohol
|
cadaverine
|
a colorless toxic ptomaine with an unpleasant odor formed during the putrefaction of animal tissue
|
cadaverine: a colorless toxic ptomaine with an unpleasant odor formed during the putrefaction of animal tissue
|
cadmium_sulfide
|
a yellow sulfide used chiefly as a pigment
|
cadmium_sulfide: a yellow sulfide used chiefly as a pigment
|
cadmium_yellow
|
pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange
|
cadmium_yellow: pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange
|
cadmium_yellow_pale
|
pale-hued cadmium yellow pigment
|
cadmium_yellow_pale: pale-hued cadmium yellow pigment
|
cadmium_orange
|
orange-hued cadmium yellow pigment
|
cadmium_orange: orange-hued cadmium yellow pigment
|
zinc_cadmium_sulfide
|
cadmium sulfide containing zinc
|
zinc_cadmium_sulfide: cadmium sulfide containing zinc
|
verdigris
|
a blue or green powder used as a paint pigment
|
verdigris: a blue or green powder used as a paint pigment
|
wax_paper
|
paper that has been waterproofed by treatment with wax or paraffin
|
wax_paper: paper that has been waterproofed by treatment with wax or paraffin
|
wetting_agent
|
a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
|
wetting_agent: a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
|
detergent
|
a surface-active chemical widely used in industry and laundering
|
detergent: a surface-active chemical widely used in industry and laundering
|
builder
|
a substance added to soaps or detergents to increase their cleansing action
|
builder: a substance added to soaps or detergents to increase their cleansing action
|
whale_oil
|
a white to brown oil obtained from whale blubber; formerly used as an illuminant
|
whale_oil: a white to brown oil obtained from whale blubber; formerly used as an illuminant
|
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