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furfural
a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent
furfural: a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent
galactagogue
agent that induces milk secretion
galactagogue: agent that induces milk secretion
galactose
a simple sugar found in lactose
galactose: a simple sugar found in lactose
galbanum
a bitter aromatic gum resin that resembles asafetida
galbanum: a bitter aromatic gum resin that resembles asafetida
gallic_acid
a colorless crystalline acid obtained from tannin
gallic_acid: a colorless crystalline acid obtained from tannin
galvanized_iron
iron that is coated with zinc to protect it from rust
galvanized_iron: iron that is coated with zinc to protect it from rust
greenhouse_gas
a gas that contributes to the greenhouse effect by absorbing infrared radiation
greenhouse_gas: a gas that contributes to the greenhouse effect by absorbing infrared radiation
carbuncle
deep-red cabochon garnet cut without facets
carbuncle: deep-red cabochon garnet cut without facets
gas
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
liquefied_petroleum_gas
hydrocarbon gases, usually propane or butane, kept under pressure
liquefied_petroleum_gas: hydrocarbon gases, usually propane or butane, kept under pressure
water_gas
a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
water_gas: a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
ghatti
an Indian gum from the dhawa tree; used as a substitute for gum arabic
ghatti: an Indian gum from the dhawa tree; used as a substitute for gum arabic
kraft
strong wrapping paper made from pulp processed with a sulfur solution
kraft: strong wrapping paper made from pulp processed with a sulfur solution
butcher_paper
a strong wrapping paper that resists penetration by blood or meat fluids
butcher_paper: a strong wrapping paper that resists penetration by blood or meat fluids
gift_wrap
attractive wrapping paper suitable for wrapping gifts
gift_wrap: attractive wrapping paper suitable for wrapping gifts
gilding_metal
a brass that is rich in copper; used to make articles that were to be gilded
gilding_metal: a brass that is rich in copper; used to make articles that were to be gilded
gilgai_soil
soil in the melon holes of Australia
gilgai_soil: soil in the melon holes of Australia
natural_glass
magma of any composition that cooled very rapidly
natural_glass: magma of any composition that cooled very rapidly
quartz_glass
colorless glass made of almost pure silica
quartz_glass: colorless glass made of almost pure silica
opal_glass
a milky white translucent or opaque glass
opal_glass: a milky white translucent or opaque glass
optical_glass
clear homogeneous glass of known refractive index; used to make lenses
optical_glass: clear homogeneous glass of known refractive index; used to make lenses
optical_crown
optical glass of low dispersion and low refractive index
optical_crown: optical glass of low dispersion and low refractive index
optical_flint
optical glass of high dispersion and high refractive index
optical_flint: optical glass of high dispersion and high refractive index
crown_glass
a glass blown into a globe which is later flattened and spun to form a disk
crown_glass: a glass blown into a globe which is later flattened and spun to form a disk
tektite
thought to derive from meteorites
tektite: thought to derive from meteorites
volcanic_glass
a kind of natural glass produced when molten lava cools very rapidly
volcanic_glass: a kind of natural glass produced when molten lava cools very rapidly
obsidian
acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
obsidian: acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
pitchstone
dark acid granitic glass
pitchstone: dark acid granitic glass
tachylite
a basic or basalt glass
tachylite: a basic or basalt glass
glass
a brittle transparent solid with irregular atomic structure
glass: a brittle transparent solid with irregular atomic structure
soft_glass
glass having a relatively low softening point
soft_glass: glass having a relatively low softening point
ground_glass
glass that diffuses light due to a rough surface produced by abrasion or etching
ground_glass: glass that diffuses light due to a rough surface produced by abrasion or etching
ground_glass
particulate glass made by grinding and used as an abrasive
ground_glass: particulate glass made by grinding and used as an abrasive
lead_glass
glass containing lead oxide; has a high refractive index
lead_glass: glass containing lead oxide; has a high refractive index
paste
a hard, brilliant lead glass that is used in making artificial jewelry
paste: a hard, brilliant lead glass that is used in making artificial jewelry
safety_glass
glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering
safety_glass: glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering
soluble_glass
a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs
soluble_glass: a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs
stained_glass
glass that has been colored in some way; used for church windows
stained_glass: glass that has been colored in some way; used for church windows
Tiffany_glass
a kind of opalescent colored glass that was used in the early 1900s for stained-glass windows and lamps
Tiffany_glass: a kind of opalescent colored glass that was used in the early 1900s for stained-glass windows and lamps
wire_glass
a glass that contains a layer of wire netting in it
wire_glass: a glass that contains a layer of wire netting in it
crystal
a solid formed by the solidification of a chemical and having a highly regular atomic structure
crystal: a solid formed by the solidification of a chemical and having a highly regular atomic structure
twins
(mineralogy) two interwoven crystals that are mirror images on each other
twins: (mineralogy) two interwoven crystals that are mirror images on each other
enamine
an amine containing the double bond linkage -C=C-N-
enamine: an amine containing the double bond linkage -C=C-N-
enantiomorph
either one of a pair of compounds (crystals or molecules) that are mirror images on each other but are not identical
enantiomorph: either one of a pair of compounds (crystals or molecules) that are mirror images on each other but are not identical
exotherm
a compound that gives off heat during its formation and absorbs heat during its decomposition
exotherm: a compound that gives off heat during its formation and absorbs heat during its decomposition
glucose
a monosaccharide sugar that has several forms; an important source of physiological energy
glucose: a monosaccharide sugar that has several forms; an important source of physiological energy
dextrose
an isomer of glucose that is found in honey and sweet fruits
dextrose: an isomer of glucose that is found in honey and sweet fruits
blood_sugar
glucose in the bloodstream
blood_sugar: glucose in the bloodstream
glutamate
a salt or ester of glutamic acid
glutamate: a salt or ester of glutamic acid
glutamic_oxalacetic_transaminase
an enzyme involved in transamination
glutamic_oxalacetic_transaminase: an enzyme involved in transamination
glyceraldehyde
a sweet crystalline aldehyde formed by the breakdown of sugars
glyceraldehyde: a sweet crystalline aldehyde formed by the breakdown of sugars
glyceric_acid
a syrupy acid obtained by oxidation of glycerol or glyceraldehyde
glyceric_acid: a syrupy acid obtained by oxidation of glycerol or glyceraldehyde
glyceride
an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils
glyceride: an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils
triglyceride
glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body
triglyceride: glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body
glycerol
a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
glycerol: a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
glycerinated_gelatin
a gelatinous preparation made from gelatin and glycerin and water; used as a base for ointments and suppositories
glycerinated_gelatin: a gelatinous preparation made from gelatin and glycerin and water; used as a base for ointments and suppositories
glycerin_jelly
a mixture of glycerin and gelatin that is used in histology for mounting specimens
glycerin_jelly: a mixture of glycerin and gelatin that is used in histology for mounting specimens
glycerite
a medicine made by mixing a substance in glycerin
glycerite: a medicine made by mixing a substance in glycerin
glycerogelatin
a medicated skin preparation made from glycerin and glycerinated gelatin
glycerogelatin: a medicated skin preparation made from glycerin and glycerinated gelatin
glyceryl
a trivalent radical derived from glycerol by removing the three hydroxyl radicals
glyceryl: a trivalent radical derived from glycerol by removing the three hydroxyl radicals
nitroglycerin
a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)
nitroglycerin: a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)
glyceryl_ester
an ester of glycerol
glyceryl_ester: an ester of glycerol
glycoside
a group of compounds derived from monosaccharides
glycoside: a group of compounds derived from monosaccharides
amygdalin
a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds
amygdalin: a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds
laetrile
a substance derived from amygdalin; publicized as an antineoplastic drug although there is no supporting evidence
laetrile: a substance derived from amygdalin; publicized as an antineoplastic drug although there is no supporting evidence
glucoside
a glycoside derived from glucose
glucoside: a glycoside derived from glucose
saponin
any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers
saponin: any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers
glycolic_acid
a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes
glycolic_acid: a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes
glycoprotein
a conjugated protein having a carbohydrate component
glycoprotein: a conjugated protein having a carbohydrate component
cluster_of_differentiation_4
a glycoprotein that is found primarily on the surface of helper T cells
cluster_of_differentiation_4: a glycoprotein that is found primarily on the surface of helper T cells
cluster_of_differentiation_8
a membrane glycoprotein that is found primarily on the surface of cytotoxic T cells
cluster_of_differentiation_8: a membrane glycoprotein that is found primarily on the surface of cytotoxic T cells
hemoprotein
a conjugated protein linked to a compound of iron and porphyrin
hemoprotein: a conjugated protein linked to a compound of iron and porphyrin
lectin
any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
lectin: any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
gneiss
a laminated metamorphic rock similar to granite
gneiss: a laminated metamorphic rock similar to granite
schist
any metamorphic rock that can be split into thin layers
schist: any metamorphic rock that can be split into thin layers
rust
a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
rust: a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
goitrogen
any substance (such as thiouracil) that induces the formation of a goiter
goitrogen: any substance (such as thiouracil) that induces the formation of a goiter
goldstone
aventurine spangled densely with fine gold-colored particles
goldstone: aventurine spangled densely with fine gold-colored particles
gondang_wax
a hard cream-colored wax obtained from a Javanese fig tree
gondang_wax: a hard cream-colored wax obtained from a Javanese fig tree
goose_grease
grease derived from geese
goose_grease: grease derived from geese
graph_paper
paper that has lines to permit drawing graphs
graph_paper: paper that has lines to permit drawing graphs
granite
plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
granite: plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
granular_pearlite
if steel or iron cool very slowly the cementite may occur in globules instead of in layers
granular_pearlite: if steel or iron cool very slowly the cementite may occur in globules instead of in layers
lubricant
a substance capable of reducing friction by making surfaces smooth or slippery
lubricant: a substance capable of reducing friction by making surfaces smooth or slippery
grease
a thick fatty oil (especially one used to lubricate machinery)
grease: a thick fatty oil (especially one used to lubricate machinery)
greaseproof_paper
paper that is impermeable to oil or grease; used in cooking
greaseproof_paper: paper that is impermeable to oil or grease; used in cooking
Greek_fire
a mixture used by Byzantine Greeks that was often shot at adversaries; catches fire when wetted
Greek_fire: a mixture used by Byzantine Greeks that was often shot at adversaries; catches fire when wetted
green_gold
a gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance
green_gold: a gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance
greisen
a granitic rock composed of quartz and mica
greisen: a granitic rock composed of quartz and mica
groundmass
(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
groundmass: (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
grid_metal
a kind of hard lead that is used for grids in storage batteries
grid_metal: a kind of hard lead that is used for grids in storage batteries
grout
a thin mortar that can be poured and used to fill cracks in masonry or brickwork
grout: a thin mortar that can be poured and used to fill cracks in masonry or brickwork
guanine
a purine base found in DNA and RNA; pairs with cytosine
guanine: a purine base found in DNA and RNA; pairs with cytosine
guano
the excrement of sea birds; used as fertilizer
guano: the excrement of sea birds; used as fertilizer
guinea_gold
22-karat gold from which guinea coins were made
guinea_gold: 22-karat gold from which guinea coins were made
gunite
a mixture of cement and sand and water that is sprayed on a surface under pneumatic pressure
gunite: a mixture of cement and sand and water that is sprayed on a surface under pneumatic pressure
essential_oil
an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings
essential_oil: an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings
attar
essential oil or perfume obtained from flowers
attar: essential oil or perfume obtained from flowers
attar_of_roses
a volatile fragrant oil obtained from fresh roses by steam distillation
attar_of_roses: a volatile fragrant oil obtained from fresh roses by steam distillation
clove_oil
essential oil obtained from cloves and used to flavor medicines
clove_oil: essential oil obtained from cloves and used to flavor medicines