noun
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red_silk_cotton
|
a plant fiber from the red silk-cotton tree of eastern India; inferior to kapok
|
red_silk_cotton: a plant fiber from the red silk-cotton tree of eastern India; inferior to kapok
|
paraffin
|
(British usage) kerosine
|
paraffin: (British usage) kerosine
|
keratohyalin
|
hyaline in the large granules of the stratum granulosum
|
keratohyalin: hyaline in the large granules of the stratum granulosum
|
ketone
|
any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
|
ketone: any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
|
ketone_body
|
a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders
|
ketone_body: a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders
|
ketone_group
|
a group having the characteristic properties of ketones
|
ketone_group: a group having the characteristic properties of ketones
|
acetoacetic_acid
|
unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation)
|
acetoacetic_acid: unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation)
|
beta-hydroxybutyric_acid
|
beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism
|
beta-hydroxybutyric_acid: beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism
|
hydroxybutyric_acid
|
hydroxy derivative of butyric acid
|
hydroxybutyric_acid: hydroxy derivative of butyric acid
|
ketohexose
|
a monosaccharide having six carbon atoms and a ketone group
|
ketohexose: a monosaccharide having six carbon atoms and a ketone group
|
ketose
|
any monosaccharide sugar that contains a ketone group or its hemiacetal
|
ketose: any monosaccharide sugar that contains a ketone group or its hemiacetal
|
kinase
|
an enzyme that catalyzes the conversion of a proenzyme to an active enzyme
|
kinase: an enzyme that catalyzes the conversion of a proenzyme to an active enzyme
|
Kleenex
|
a piece of soft absorbent paper (usually two or more thin layers) used as a disposable handkerchief
|
Kleenex: a piece of soft absorbent paper (usually two or more thin layers) used as a disposable handkerchief
|
kunzite
|
a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone
|
kunzite: a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone
|
Kwell
|
a preparation of lindane (trade name Kwell) that is used to kill lice and itch mites; available in cream or shampoo
|
Kwell: a preparation of lindane (trade name Kwell) that is used to kill lice and itch mites; available in cream or shampoo
|
labdanum
|
a dark brown to greenish oleoresin that has a fragrant odor and is used as a fixative in perfumes; obtained as a juice from certain rockroses
|
labdanum: a dark brown to greenish oleoresin that has a fragrant odor and is used as a fixative in perfumes; obtained as a juice from certain rockroses
|
lacquer
|
a black resinous substance obtained from certain trees and used as a natural varnish
|
lacquer: a black resinous substance obtained from certain trees and used as a natural varnish
|
lactase
|
any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose
|
lactase: any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose
|
lactic_acid
|
a clear odorless hygroscopic syrupy carboxylic acid found in sour milk and in many fruits
|
lactic_acid: a clear odorless hygroscopic syrupy carboxylic acid found in sour milk and in many fruits
|
lactifuge
|
any agent that reduces milk secretion (as given to a woman who is not breast feeding)
|
lactifuge: any agent that reduces milk secretion (as given to a woman who is not breast feeding)
|
lactogen
|
any agent that enhances milk production
|
lactogen: any agent that enhances milk production
|
lactose
|
a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
|
lactose: a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
|
lamellar_mixture
|
a mixture in which substances occur in distinct layers
|
lamellar_mixture: a mixture in which substances occur in distinct layers
|
lapis_lazuli
|
an azure blue semiprecious stone
|
lapis_lazuli: an azure blue semiprecious stone
|
lard_oil
|
oil consisting chiefly of olein that is expressed from lard and used especially as a lubricant, cutting oil or illuminant
|
lard_oil: oil consisting chiefly of olein that is expressed from lard and used especially as a lubricant, cutting oil or illuminant
|
larvicide
|
a chemical used to kill larval pests
|
larvicide: a chemical used to kill larval pests
|
laterite
|
a red soil produced by rock decay; contains insoluble deposits of ferric and aluminum oxides
|
laterite: a red soil produced by rock decay; contains insoluble deposits of ferric and aluminum oxides
|
lath_and_plaster
|
a building material consisting of thin strips of wood that provide a foundation for a coat of plaster
|
lath_and_plaster: a building material consisting of thin strips of wood that provide a foundation for a coat of plaster
|
lauric_acid
|
a crystalline fatty acid occurring as glycerides in natural fats and oils (especially coconut oil and palm-kernel oil)
|
lauric_acid: a crystalline fatty acid occurring as glycerides in natural fats and oils (especially coconut oil and palm-kernel oil)
|
lauryl_alcohol
|
a colorless insoluble solid alcohol used to make detergents and pharmaceuticals
|
lauryl_alcohol: a colorless insoluble solid alcohol used to make detergents and pharmaceuticals
|
latten
|
brass (or a yellow alloy resembling brass) that was hammered into thin sheets; formerly used for church utensils
|
latten: brass (or a yellow alloy resembling brass) that was hammered into thin sheets; formerly used for church utensils
|
lava
|
rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface
|
lava: rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface
|
tuff
|
hard volcanic rock composed of compacted volcanic ash
|
tuff: hard volcanic rock composed of compacted volcanic ash
|
tufa
|
a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
|
tufa: a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
|
aa
|
a dry form of lava resembling clinkers
|
aa: a dry form of lava resembling clinkers
|
pahoehoe
|
freely flowing lava
|
pahoehoe: freely flowing lava
|
pillow_lava
|
lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions
|
pillow_lava: lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions
|
magma
|
molten rock in the earth's crust
|
magma: molten rock in the earth's crust
|
igneous_rock
|
rock formed by the solidification of molten magma
|
igneous_rock: rock formed by the solidification of molten magma
|
adesite
|
dark greyish extrusive rock
|
adesite: dark greyish extrusive rock
|
batholith
|
large mass of intrusive igneous rock believed to have solidified deep within the earth
|
batholith: large mass of intrusive igneous rock believed to have solidified deep within the earth
|
diorite
|
a granular crystalline intrusive rock
|
diorite: a granular crystalline intrusive rock
|
gabbro
|
one of a family of granular intrusive rocks
|
gabbro: one of a family of granular intrusive rocks
|
pegmatite
|
a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
|
pegmatite: a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
|
peridotite
|
a dark coarse-grained igneous rock consisting principally of olivine
|
peridotite: a dark coarse-grained igneous rock consisting principally of olivine
|
kimberlite
|
a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia
|
kimberlite: a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia
|
rhyolite
|
very acid volcanic rock
|
rhyolite: very acid volcanic rock
|
volcanic_rock
|
extrusive igneous rock solidified near or on the surface of the Earth
|
volcanic_rock: extrusive igneous rock solidified near or on the surface of the Earth
|
leaded_bronze
|
bronze to which 1-4% lead is added
|
leaded_bronze: bronze to which 1-4% lead is added
|
lead_ore
|
ore containing lead
|
lead_ore: ore containing lead
|
massicot
|
the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment
|
massicot: the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment
|
leaf_mold
|
soil composed mainly of decaying leaves
|
leaf_mold: soil composed mainly of decaying leaves
|
leaven
|
a substance used to produce fermentation in dough or a liquid
|
leaven: a substance used to produce fermentation in dough or a liquid
|
ledger_paper
|
a durable writing paper used in record books and business ledgers
|
ledger_paper: a durable writing paper used in record books and business ledgers
|
lepidocrocite
|
a red to reddish brown mineral consisting of iron oxide hydroxide; often found in iron ores together with goethite
|
lepidocrocite: a red to reddish brown mineral consisting of iron oxide hydroxide; often found in iron ores together with goethite
|
laid_paper
|
writing paper having a watermark of fine lines running across the grain
|
laid_paper: writing paper having a watermark of fine lines running across the grain
|
wove_paper
|
writing paper having a very faint mesh pattern
|
wove_paper: writing paper having a very faint mesh pattern
|
letter_paper
|
writing paper for use in writing correspondence
|
letter_paper: writing paper for use in writing correspondence
|
lindane
|
a white crystalline powder used as an agricultural insecticide
|
lindane: a white crystalline powder used as an agricultural insecticide
|
linen
|
a high-quality paper made of linen fibers or with a linen finish
|
linen: a high-quality paper made of linen fibers or with a linen finish
|
leucine
|
a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
|
leucine: a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
|
lignin
|
a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
|
lignin: a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
|
hydroxide
|
a compound of an oxide with water
|
hydroxide: a compound of an oxide with water
|
calcite
|
a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone
|
calcite: a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone
|
calcium_hydroxide
|
a caustic substance produced by heating limestone
|
calcium_hydroxide: a caustic substance produced by heating limestone
|
limestone
|
a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
|
limestone: a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
|
rottenstone
|
a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
|
rottenstone: a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
|
dripstone
|
the form of calcium carbonate found in stalactites and stalagmites
|
dripstone: the form of calcium carbonate found in stalactites and stalagmites
|
calcium_bicarbonate
|
a bicarbonate that is a major cause of hard water
|
calcium_bicarbonate: a bicarbonate that is a major cause of hard water
|
calcium_carbonate
|
a salt found in nature as chalk or calcite or aragonite or limestone
|
calcium_carbonate: a salt found in nature as chalk or calcite or aragonite or limestone
|
limewater
|
solution of calcium hydroxide in water used as an antacid
|
limewater: solution of calcium hydroxide in water used as an antacid
|
calcium_chloride
|
a deliquescent salt; used in de-icing and as a drying agent
|
calcium_chloride: a deliquescent salt; used in de-icing and as a drying agent
|
calcium_hydride
|
a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
|
calcium_hydride: a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
|
calcium_sulphate
|
a white salt (CaSO4)
|
calcium_sulphate: a white salt (CaSO4)
|
limonene
|
a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
|
limonene: a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
|
limonite
|
a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite
|
limonite: a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite
|
linoleic_acid
|
a liquid polyunsaturated fatty acid abundant in plant fats and oils; a fatty acid essential for nutrition; used to make soap
|
linoleic_acid: a liquid polyunsaturated fatty acid abundant in plant fats and oils; a fatty acid essential for nutrition; used to make soap
|
linolenic_acid
|
a liquid polyunsaturated fatty acid that occurs in some plant oils; an essential fatty acid
|
linolenic_acid: a liquid polyunsaturated fatty acid that occurs in some plant oils; an essential fatty acid
|
linoleum
|
a floor covering
|
linoleum: a floor covering
|
lint
|
fine ravellings of cotton or linen fibers
|
lint: fine ravellings of cotton or linen fibers
|
linuron
|
a herbicide that kills weeds without harming vegetables
|
linuron: a herbicide that kills weeds without harming vegetables
|
lipase
|
an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream
|
lipase: an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream
|
lipid
|
an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
|
lipid: an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
|
lipoprotein
|
a conjugated protein having a lipid component; the principal means for transporting lipids in the blood
|
lipoprotein: a conjugated protein having a lipid component; the principal means for transporting lipids in the blood
|
fluid
|
continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
|
fluid: continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
|
grume
|
a thick viscous liquid
|
grume: a thick viscous liquid
|
ichor
|
(Greek mythology) the rarified fluid said to flow in the veins of the Gods
|
ichor: (Greek mythology) the rarified fluid said to flow in the veins of the Gods
|
fluid
|
a substance that is fluid at room temperature and pressure
|
fluid: a substance that is fluid at room temperature and pressure
|
liquid
|
fluid matter having no fixed shape but a fixed volume
|
liquid: fluid matter having no fixed shape but a fixed volume
|
liquid
|
a substance that is liquid at room temperature and pressure
|
liquid: a substance that is liquid at room temperature and pressure
|
liquid_nitrogen
|
nitrogen in a liquid state
|
liquid_nitrogen: nitrogen in a liquid state
|
liquid_air
|
air in a liquid state
|
liquid_air: air in a liquid state
|
liquid_bleach
|
a solution containing bleaching agents; used for laundry
|
liquid_bleach: a solution containing bleaching agents; used for laundry
|
liquid_crystal
|
a liquid exhibiting properties of a crystal that are not shown by ordinary liquids
|
liquid_crystal: a liquid exhibiting properties of a crystal that are not shown by ordinary liquids
|
liquor
|
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process
|
liquor: a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process
|
litmus
|
a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
|
litmus: a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
|
litmus_paper
|
unsized paper treated with litmus for use as an acid-base indicator
|
litmus_paper: unsized paper treated with litmus for use as an acid-base indicator
|
lithia_water
|
mineral water containing lithium salts
|
lithia_water: mineral water containing lithium salts
|
lithium_carbonate
|
a white powder (LiCO3) used in manufacturing glass and ceramics and as a drug; the drug (trade names Lithane or Lithonate or Eskalith) is used to treat some forms of depression and manic episodes of manic-depressive disorder
|
lithium_carbonate: a white powder (LiCO3) used in manufacturing glass and ceramics and as a drug; the drug (trade names Lithane or Lithonate or Eskalith) is used to treat some forms of depression and manic episodes of manic-depressive disorder
|
loam
|
a rich soil consisting of a mixture of sand and clay and decaying organic materials
|
loam: a rich soil consisting of a mixture of sand and clay and decaying organic materials
|
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