noun
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lodestone
|
a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
|
lodestone: a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
|
loess
|
a fine-grained unstratified accumulation of clay and silt deposited by the wind
|
loess: a fine-grained unstratified accumulation of clay and silt deposited by the wind
|
log
|
a segment of the trunk of a tree when stripped of branches
|
log: a segment of the trunk of a tree when stripped of branches
|
low_brass
|
brass with 30% (or less) zinc
|
low_brass: brass with 30% (or less) zinc
|
low-density_lipoprotein
|
a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis
|
low-density_lipoprotein: a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis
|
low-level_radioactive_waste
|
(medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)
|
low-level_radioactive_waste: (medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)
|
lumber
|
the wood of trees cut and prepared for use as building material
|
lumber: the wood of trees cut and prepared for use as building material
|
lye
|
a strong solution of sodium or potassium hydroxide
|
lye: a strong solution of sodium or potassium hydroxide
|
lymphokine
|
a cytokine secreted by helper T cells in response to stimulation by antigens and that acts on other cells of the immune system (as by activating macrophages)
|
lymphokine: a cytokine secreted by helper T cells in response to stimulation by antigens and that acts on other cells of the immune system (as by activating macrophages)
|
lysine
|
an essential amino acid found in proteins; occurs especially in gelatin and casein
|
lysine: an essential amino acid found in proteins; occurs especially in gelatin and casein
|
Lysol
|
a clear oily brown solution of cresols in soap; used as an antiseptic and disinfectant
|
Lysol: a clear oily brown solution of cresols in soap; used as an antiseptic and disinfectant
|
lysozyme
|
an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria
|
lysozyme: an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria
|
Mace
|
(trademark) a liquid that temporarily disables a person; prepared as an aerosol and sprayed in the face, it irritates the eyes and causes dizziness and immobilization
|
Mace: (trademark) a liquid that temporarily disables a person; prepared as an aerosol and sprayed in the face, it irritates the eyes and causes dizziness and immobilization
|
macromolecule
|
any very large complex molecule; found only in plants and animals
|
macromolecule: any very large complex molecule; found only in plants and animals
|
magnesium_bicarbonate
|
a bicarbonate that is a major cause of hard water
|
magnesium_bicarbonate: a bicarbonate that is a major cause of hard water
|
magnesium_carbonate
|
a very white crystalline salt that occurs naturally as magnesite or as dolomite
|
magnesium_carbonate: a very white crystalline salt that occurs naturally as magnesite or as dolomite
|
magnesium_hydroxide
|
a white crystalline powder used chiefly in medicines
|
magnesium_hydroxide: a white crystalline powder used chiefly in medicines
|
magnesium_nitride
|
a nitride containing nitrogen and magnesium
|
magnesium_nitride: a nitride containing nitrogen and magnesium
|
magnesium_sulfate
|
a salt of magnesium
|
magnesium_sulfate: a salt of magnesium
|
Epsom_salts
|
hydrated magnesium sulfate that is taken orally to treat heartburn and constipation and injected to prevent seizures
|
Epsom_salts: hydrated magnesium sulfate that is taken orally to treat heartburn and constipation and injected to prevent seizures
|
magnetite
|
an oxide of iron that is strongly attracted by magnets
|
magnetite: an oxide of iron that is strongly attracted by magnets
|
Malathion
|
a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
|
Malathion: a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
|
maleate
|
a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation
|
maleate: a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation
|
maleic_acid
|
a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins
|
maleic_acid: a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins
|
maltose
|
a white crystalline sugar formed during the digestion of starches
|
maltose: a white crystalline sugar formed during the digestion of starches
|
manifold_paper
|
a lightweight paper used with carbon paper to make multiple copies
|
manifold_paper: a lightweight paper used with carbon paper to make multiple copies
|
manila
|
a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp
|
manila: a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp
|
manganese_bronze
|
a brass with from 1-4% manganese to harden it
|
manganese_bronze: a brass with from 1-4% manganese to harden it
|
manganese_steel
|
a steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock
|
manganese_steel: a steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock
|
manganate
|
a salt of manganic acid containing manganese as its anion
|
manganate: a salt of manganic acid containing manganese as its anion
|
Manila_hemp
|
a kind of hemp obtained from the abaca plant in the Philippines
|
Manila_hemp: a kind of hemp obtained from the abaca plant in the Philippines
|
maple_sugar
|
sugar made from the sap of the sugar maple tree
|
maple_sugar: sugar made from the sap of the sugar maple tree
|
marble
|
a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material
|
marble: a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material
|
verd_antique
|
a dark green impure marble
|
verd_antique: a dark green impure marble
|
marking_ink
|
an indelible ink for marking clothes or linens etc.
|
marking_ink: an indelible ink for marking clothes or linens etc.
|
marsh_gas
|
methane gas produced when vegetation decomposes in water
|
marsh_gas: methane gas produced when vegetation decomposes in water
|
martensite
|
a solid solution of carbon in alpha-iron that is formed when steel is cooled so rapidly that the change from austenite to pearlite is suppressed; responsible for the hardness of quenched steel
|
martensite: a solid solution of carbon in alpha-iron that is formed when steel is cooled so rapidly that the change from austenite to pearlite is suppressed; responsible for the hardness of quenched steel
|
mash
|
a mixture of mashed malt grains and hot water; used in brewing
|
mash: a mixture of mashed malt grains and hot water; used in brewing
|
sour_mash
|
a mash with optimum acidity for yeast fermentation; a mixture of old and new mash; used in distilling some whiskeys
|
sour_mash: a mash with optimum acidity for yeast fermentation; a mixture of old and new mash; used in distilling some whiskeys
|
matchwood
|
wood suitable for making matchsticks
|
matchwood: wood suitable for making matchsticks
|
matchwood
|
wood in small pieces or splinters
|
matchwood: wood in small pieces or splinters
|
matrix
|
(geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded
|
matrix: (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded
|
matte
|
a mixture of sulfides that forms when sulfide metal ores are smelted
|
matte: a mixture of sulfides that forms when sulfide metal ores are smelted
|
medium_steel
|
steel with 0.15-0.3% carbon
|
medium_steel: steel with 0.15-0.3% carbon
|
megilp
|
a medium for oil-paints; linseed oil mixed with mastic varnish or turpentine
|
megilp: a medium for oil-paints; linseed oil mixed with mastic varnish or turpentine
|
melamine
|
a white crystalline organic base; used mainly in making melamine resins
|
melamine: a white crystalline organic base; used mainly in making melamine resins
|
melamine_resin
|
a thermosetting resin formed from melamine and an aldehyde; used in molded products, adhesives, and coatings
|
melamine_resin: a thermosetting resin formed from melamine and an aldehyde; used in molded products, adhesives, and coatings
|
meltwater
|
melted snow or ice
|
meltwater: melted snow or ice
|
menhaden_oil
|
a fatty oil obtained from the menhaden fish and used in paint and ink and in treating leather
|
menhaden_oil: a fatty oil obtained from the menhaden fish and used in paint and ink and in treating leather
|
menstruum
|
(archaic) a solvent
|
menstruum: (archaic) a solvent
|
menthol
|
a crystalline compound that has the cool and minty taste and odor that occurs naturally in peppermint oil; used as a flavoring and in medicine to relieve itching, pain, and nasal congestion
|
menthol: a crystalline compound that has the cool and minty taste and odor that occurs naturally in peppermint oil; used as a flavoring and in medicine to relieve itching, pain, and nasal congestion
|
mercuric_chloride
|
a white poisonous soluble crystalline sublimate of mercury; used as a pesticide or antiseptic or wood preservative
|
mercuric_chloride: a white poisonous soluble crystalline sublimate of mercury; used as a pesticide or antiseptic or wood preservative
|
calomel
|
a tasteless colorless powder used medicinally as a cathartic
|
calomel: a tasteless colorless powder used medicinally as a cathartic
|
message_pad
|
a pad of paper on which messages can be written
|
message_pad: a pad of paper on which messages can be written
|
methane
|
a colorless odorless gas used as a fuel
|
methane: a colorless odorless gas used as a fuel
|
methane_series
|
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
|
methane_series: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
|
methyl_bromide
|
a poisonous gas or liquid (CH3Br) used to fumigate rodents, worms, etc.
|
methyl_bromide: a poisonous gas or liquid (CH3Br) used to fumigate rodents, worms, etc.
|
methylated_spirit
|
ethyl alcohol denatured with methyl alcohol to prevent its use as an alcoholic beverage
|
methylated_spirit: ethyl alcohol denatured with methyl alcohol to prevent its use as an alcoholic beverage
|
methylene_group
|
the bivalent radical CH2 derived from methane
|
methylene_group: the bivalent radical CH2 derived from methane
|
methyl
|
the univalent radical CH3- derived from methane
|
methyl: the univalent radical CH3- derived from methane
|
methionine
|
a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition
|
methionine: a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition
|
methyl_salicylate
|
a liquid ester with a strong odor of wintergreen; applied externally for minor muscle and joint pain
|
methyl_salicylate: a liquid ester with a strong odor of wintergreen; applied externally for minor muscle and joint pain
|
Microtaggant
|
(trademark) a microscopic and traceable identification particle used to trace explosives or other hazardous materials or to prevent counterfeiting
|
Microtaggant: (trademark) a microscopic and traceable identification particle used to trace explosives or other hazardous materials or to prevent counterfeiting
|
mild_steel
|
steel with less than 0.15% carbon
|
mild_steel: steel with less than 0.15% carbon
|
mine_pig
|
pig iron made entirely from ore
|
mine_pig: pig iron made entirely from ore
|
mineral_oil
|
a distillate of petroleum (especially one used medicinally as a laxative or stool softener)
|
mineral_oil: a distillate of petroleum (especially one used medicinally as a laxative or stool softener)
|
misch_metal
|
a pyrophoric alloy made from a mixture of rare-earth metals
|
misch_metal: a pyrophoric alloy made from a mixture of rare-earth metals
|
mitogen
|
an agent that triggers mitosis
|
mitogen: an agent that triggers mitosis
|
motor_oil
|
oil used to lubricate the moving parts of a motor
|
motor_oil: oil used to lubricate the moving parts of a motor
|
mold
|
loose soil rich in organic matter
|
mold: loose soil rich in organic matter
|
molybdenum_steel
|
steel containing 10-15% molybdenum; properties are similar to tungsten steel
|
molybdenum_steel: steel containing 10-15% molybdenum; properties are similar to tungsten steel
|
monoamine
|
a molecule containing one amine group (especially one that is a neurotransmitter)
|
monoamine: a molecule containing one amine group (especially one that is a neurotransmitter)
|
monoamine_oxidase
|
an enzyme that catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin)
|
monoamine_oxidase: an enzyme that catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin)
|
monohydrate
|
a hydrate that contains one molecule of water per molecule of the compound
|
monohydrate: a hydrate that contains one molecule of water per molecule of the compound
|
monosaccharide
|
a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates
|
monosaccharide: a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates
|
monoxide
|
an oxide containing just one atom of oxygen in the molecule
|
monoxide: an oxide containing just one atom of oxygen in the molecule
|
montan_wax
|
a hard wax obtained from lignite
|
montan_wax: a hard wax obtained from lignite
|
moonstone
|
a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
|
moonstone: a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
|
mordant
|
a substance used to treat leather or other materials before dyeing; aids in dyeing process
|
mordant: a substance used to treat leather or other materials before dyeing; aids in dyeing process
|
chrome_alum
|
a violet-colored salt used in hide tanning and as a mordant in dyeing
|
chrome_alum: a violet-colored salt used in hide tanning and as a mordant in dyeing
|
tartar_emetic
|
a poisonous colorless salt used as a mordant and in medicine
|
tartar_emetic: a poisonous colorless salt used as a mordant and in medicine
|
tartrate
|
a salt or ester of tartaric acid
|
tartrate: a salt or ester of tartaric acid
|
bitartrate
|
an acid tartrate; a hydrogen tartrate
|
bitartrate: an acid tartrate; a hydrogen tartrate
|
morganite
|
a kind of pink beryl used as a gemstone
|
morganite: a kind of pink beryl used as a gemstone
|
mortar
|
used as a bond in masonry or for covering a wall
|
mortar: used as a bond in masonry or for covering a wall
|
mucoid
|
any of several glycoproteins similar to mucin
|
mucoid: any of several glycoproteins similar to mucin
|
mucopolysaccharide
|
complex polysaccharides containing an amino group; occur chiefly as components of connective tissue
|
mucopolysaccharide: complex polysaccharides containing an amino group; occur chiefly as components of connective tissue
|
mud
|
water soaked soil; soft wet earth
|
mud: water soaked soil; soft wet earth
|
slop
|
deep soft mud in water or slush
|
slop: deep soft mud in water or slush
|
sludge
|
any thick, viscous matter
|
sludge: any thick, viscous matter
|
sapropel
|
sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
|
sapropel: sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
|
muriatic_acid
|
a former name for hydrochloric acid
|
muriatic_acid: a former name for hydrochloric acid
|
music_paper
|
paper with lines appropriate for writing music
|
music_paper: paper with lines appropriate for writing music
|
mustard_gas
|
a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote
|
mustard_gas: a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote
|
muton
|
the smallest unit of DNA where a mutation can occur
|
muton: the smallest unit of DNA where a mutation can occur
|
nitrogen_mustard
|
a toxic compound resembling mustard gas in structure; important in cancer treatment
|
nitrogen_mustard: a toxic compound resembling mustard gas in structure; important in cancer treatment
|
mutton_tallow
|
tallow from the body of a mature sheep
|
mutton_tallow: tallow from the body of a mature sheep
|
myelin
|
a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
|
myelin: a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
|
myristic_acid
|
a saturated fatty acid occurring naturally in animal and vegetable fats
|
myristic_acid: a saturated fatty acid occurring naturally in animal and vegetable fats
|
napalm
|
gasoline jelled with aluminum soaps; highly incendiary liquid used in fire bombs and flamethrowers
|
napalm: gasoline jelled with aluminum soaps; highly incendiary liquid used in fire bombs and flamethrowers
|
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