noun
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sunstone
|
a translucent quartz spangled with bits of mica or other minerals
|
sunstone: a translucent quartz spangled with bits of mica or other minerals
|
superoxide
|
the univalent anion O2-
|
superoxide: the univalent anion O2-
|
superoxide
|
a metallic oxide containing the univalent anion O2-
|
superoxide: a metallic oxide containing the univalent anion O2-
|
superoxide_dismutase
|
an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
|
superoxide_dismutase: an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
|
surgical_spirit
|
methylated spirit used in the practice of medicine (especially for cleansing the skin before injections or before surgery)
|
surgical_spirit: methylated spirit used in the practice of medicine (especially for cleansing the skin before injections or before surgery)
|
Swedish_iron
|
wrought iron of high purity made in Sweden
|
Swedish_iron: wrought iron of high purity made in Sweden
|
swinging_chad
|
a chad that is incompletely removed and still attached at two corners
|
swinging_chad: a chad that is incompletely removed and still attached at two corners
|
sylvanite
|
a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
|
sylvanite: a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
|
sylvite
|
a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
|
sylvite: a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
|
tabun
|
the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare
|
tabun: the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare
|
talc
|
a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
|
talc: a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
|
French_chalk
|
a soft white compact talc used to mark cloth or to remove grease stains
|
French_chalk: a soft white compact talc used to mark cloth or to remove grease stains
|
rensselaerite
|
a kind of soft talc; sometimes used as wood filler
|
rensselaerite: a kind of soft talc; sometimes used as wood filler
|
tallow_oil
|
an animal oil obtained by pressing tallow; used as a lubricant
|
tallow_oil: an animal oil obtained by pressing tallow; used as a lubricant
|
tannin
|
any of various complex phenolic substances of plant origin; used in tanning and in medicine
|
tannin: any of various complex phenolic substances of plant origin; used in tanning and in medicine
|
catechin
|
a tannic acid that is extracted from black catechu as a white crystalline substance
|
catechin: a tannic acid that is extracted from black catechu as a white crystalline substance
|
tantalite
|
a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
|
tantalite: a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
|
tartaric_acid
|
an acid found in many fruits; used in soft drinks and confectionery and baking powder
|
tartaric_acid: an acid found in many fruits; used in soft drinks and confectionery and baking powder
|
racemic_acid
|
the optically inactive form of tartaric acid that is often found in grape juice
|
racemic_acid: the optically inactive form of tartaric acid that is often found in grape juice
|
tear_gas
|
a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
|
tear_gas: a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
|
telluride
|
any binary compound of tellurium with other more electropositive elements
|
telluride: any binary compound of tellurium with other more electropositive elements
|
telomerase
|
an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide
|
telomerase: an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide
|
tenderizer
|
a substance (as the plant enzyme papain) applied to meat to make it tender
|
tenderizer: a substance (as the plant enzyme papain) applied to meat to make it tender
|
terpene
|
an unsaturated hydrocarbon obtained from plants
|
terpene: an unsaturated hydrocarbon obtained from plants
|
tetrachloride
|
any compound that contains four chlorine atoms per molecule
|
tetrachloride: any compound that contains four chlorine atoms per molecule
|
tetrafluoroethylene
|
a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins)
|
tetrafluoroethylene: a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins)
|
tetrahalide
|
any halide containing four halogen atoms in its molecules
|
tetrahalide: any halide containing four halogen atoms in its molecules
|
tetrasaccharide
|
any of a variety of carbohydrates that yield four monosaccharide molecules on complete hydrolysis
|
tetrasaccharide: any of a variety of carbohydrates that yield four monosaccharide molecules on complete hydrolysis
|
tetrodotoxin
|
a powerful neurotoxin found in the ovaries of pufferfish
|
tetrodotoxin: a powerful neurotoxin found in the ovaries of pufferfish
|
tetroxide
|
an oxide containing four atoms of oxygen in the molecule
|
tetroxide: an oxide containing four atoms of oxygen in the molecule
|
tetryl
|
a yellow crystalline explosive solid that is used in detonators
|
tetryl: a yellow crystalline explosive solid that is used in detonators
|
thatch
|
plant stalks used as roofing material
|
thatch: plant stalks used as roofing material
|
thickening
|
any material used to thicken
|
thickening: any material used to thicken
|
thiouracil
|
depresses the function of the thyroid gland
|
thiouracil: depresses the function of the thyroid gland
|
thiocyanate
|
a salt of thiocyanic acid; formed when alkaline cyanides are fused with sulfur
|
thiocyanate: a salt of thiocyanic acid; formed when alkaline cyanides are fused with sulfur
|
thiocyanic_acid
|
an unstable acid that can be obtained by distilling a thiocyanate salt
|
thiocyanic_acid: an unstable acid that can be obtained by distilling a thiocyanate salt
|
thorite
|
a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
|
thorite: a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
|
thortveitite
|
a mineral consisting of scandium yttrium silicate; a source of scandium
|
thortveitite: a mineral consisting of scandium yttrium silicate; a source of scandium
|
threonine
|
a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition
|
threonine: a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition
|
prothrombin
|
a protein in blood plasma that is the inactive precursor of thrombin
|
prothrombin: a protein in blood plasma that is the inactive precursor of thrombin
|
thromboplastin
|
an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
|
thromboplastin: an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
|
calcium_ion
|
ion of calcium; a factor in the clotting of blood
|
calcium_ion: ion of calcium; a factor in the clotting of blood
|
proaccelerin
|
a coagulation factor
|
proaccelerin: a coagulation factor
|
proconvertin
|
a coagulation factor formed in the kidney under the influence of vitamin K
|
proconvertin: a coagulation factor formed in the kidney under the influence of vitamin K
|
antihemophilic_factor
|
a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A
|
antihemophilic_factor: a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A
|
Christmas_factor
|
coagulation factor whose absence is associated with hemophilia B
|
Christmas_factor: coagulation factor whose absence is associated with hemophilia B
|
prothrombinase
|
coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors
|
prothrombinase: coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors
|
plasma_thromboplastin_antecedent
|
coagulation factor whose deficiency results in a hemorrhagic tendency
|
plasma_thromboplastin_antecedent: coagulation factor whose deficiency results in a hemorrhagic tendency
|
Hageman_factor
|
coagulation factor whose deficiency results in prolongation of clotting time of venous blood
|
Hageman_factor: coagulation factor whose deficiency results in prolongation of clotting time of venous blood
|
fibrinase
|
in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot
|
fibrinase: in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot
|
thymine
|
a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
|
thymine: a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
|
deoxyadenosine
|
a nucleoside component of DNA; composed of adenosine and deoxyribose
|
deoxyadenosine: a nucleoside component of DNA; composed of adenosine and deoxyribose
|
deoxycytidine
|
a nucleoside component of DNA; composed of cytosine and deoxyribose
|
deoxycytidine: a nucleoside component of DNA; composed of cytosine and deoxyribose
|
deoxyguanosine
|
a nucleoside component of DNA; composed of guanine and deoxyribose
|
deoxyguanosine: a nucleoside component of DNA; composed of guanine and deoxyribose
|
deoxythymidine
|
a nucleoside component of DNA; composed of thymine and deoxyribose
|
deoxythymidine: a nucleoside component of DNA; composed of thymine and deoxyribose
|
thymol
|
a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
|
thymol: a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
|
melanocyte-stimulating_hormone
|
a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes
|
melanocyte-stimulating_hormone: a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes
|
thyrotropin
|
anterior pituitary hormone that stimulates the function of the thyroid gland
|
thyrotropin: anterior pituitary hormone that stimulates the function of the thyroid gland
|
thyrotropin-releasing_hormone
|
hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary
|
thyrotropin-releasing_hormone: hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary
|
thyronine
|
a phenolic amino acid of which thyroxine is a derivative
|
thyronine: a phenolic amino acid of which thyroxine is a derivative
|
tile
|
a thin flat slab of fired clay used for roofing
|
tile: a thin flat slab of fired clay used for roofing
|
till
|
unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
|
till: unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
|
tissue
|
a soft thin (usually translucent) paper
|
tissue: a soft thin (usually translucent) paper
|
toilet_tissue
|
a soft thin absorbent paper for use in toilets
|
toilet_tissue: a soft thin absorbent paper for use in toilets
|
toilet_roll
|
a roll of toilet paper
|
toilet_roll: a roll of toilet paper
|
toluene
|
a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
|
toluene: a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
|
toluic_acid
|
an isomeric acid derived from toluene
|
toluic_acid: an isomeric acid derived from toluene
|
tombac
|
an alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding
|
tombac: an alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding
|
toner
|
a black or colored powder used in a printer to develop a xerographic image
|
toner: a black or colored powder used in a printer to develop a xerographic image
|
toner
|
a solution containing chemicals that can change the color of a photographic print
|
toner: a solution containing chemicals that can change the color of a photographic print
|
tool_steel
|
alloy steel that is suitable for making tools; is hard and tough and can retain a cutting edge
|
tool_steel: alloy steel that is suitable for making tools; is hard and tough and can retain a cutting edge
|
topaz
|
a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone
|
topaz: a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone
|
topaz
|
a yellow quartz
|
topaz: a yellow quartz
|
tourmaline
|
a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
|
tourmaline: a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
|
trace_element
|
an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
|
trace_element: an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
|
tracing_paper
|
a semitransparent paper that is used for tracing drawings
|
tracing_paper: a semitransparent paper that is used for tracing drawings
|
tragacanth
|
a gum used in pharmacy, adhesives, and textile printing
|
tragacanth: a gum used in pharmacy, adhesives, and textile printing
|
transaminase
|
a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound)
|
transaminase: a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound)
|
transferase
|
any of various enzymes that move a chemical group from one compound to another compound
|
transferase: any of various enzymes that move a chemical group from one compound to another compound
|
transfer_paper
|
a paper that is coated with a preparation for transferring a design to another surface
|
transfer_paper: a paper that is coated with a preparation for transferring a design to another surface
|
transferrin
|
a globulin in blood plasma that carries iron
|
transferrin: a globulin in blood plasma that carries iron
|
transparent_gem
|
a gemstone having the property of transmitting light without serious diffusion
|
transparent_gem: a gemstone having the property of transmitting light without serious diffusion
|
transparent_substance
|
a material having the property of admitting light diffusely; a partly transparent material
|
transparent_substance: a material having the property of admitting light diffusely; a partly transparent material
|
triamcinolone
|
a synthetic corticosteroid (trade names Aristocort or Aristopak or Kenalog) used as an anti-inflammatory agent
|
triamcinolone: a synthetic corticosteroid (trade names Aristocort or Aristopak or Kenalog) used as an anti-inflammatory agent
|
triazine
|
any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
|
triazine: any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
|
tri-chad
|
a chad that is incompletely removed and still attached at three corners
|
tri-chad: a chad that is incompletely removed and still attached at three corners
|
trichloroacetic_acid
|
a strong acid made by chlorinating acetic acid
|
trichloroacetic_acid: a strong acid made by chlorinating acetic acid
|
margarin
|
a glyceryl ester of margaric acid
|
margarin: a glyceryl ester of margaric acid
|
tridymite
|
a mineral form of silica
|
tridymite: a mineral form of silica
|
triolein
|
a naturally occurring glyceride of oleic acid that is found in fats and oils
|
triolein: a naturally occurring glyceride of oleic acid that is found in fats and oils
|
trimer
|
a polymer (or a molecule of a polymer) consisting of three identical monomers
|
trimer: a polymer (or a molecule of a polymer) consisting of three identical monomers
|
trioxide
|
an oxide containing three atoms of oxygen in the molecule
|
trioxide: an oxide containing three atoms of oxygen in the molecule
|
tripalmitin
|
a triglyceride of palmitic acid
|
tripalmitin: a triglyceride of palmitic acid
|
triphosphopyridine
|
a pyridine ring with three phosphorus groups
|
triphosphopyridine: a pyridine ring with three phosphorus groups
|
triphosphopyridine_nucleotide
|
a coenzyme of several enzymes
|
triphosphopyridine_nucleotide: a coenzyme of several enzymes
|
triphosphoric_acid
|
an acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters
|
triphosphoric_acid: an acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters
|
trisaccharide
|
any of a variety of carbohydrates that yield three monosaccharide molecules on complete hydrolysis
|
trisaccharide: any of a variety of carbohydrates that yield three monosaccharide molecules on complete hydrolysis
|
trisodium_phosphate
|
the tertiary phosphate of sodium used as a builder in soaps and detergents
|
trisodium_phosphate: the tertiary phosphate of sodium used as a builder in soaps and detergents
|
tristearin
|
a triglyceride of stearic acid
|
tristearin: a triglyceride of stearic acid
|
trypsin
|
an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units
|
trypsin: an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units
|
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