|
|
eutectic |
Noun
|
a mixture of substances having a minimum melting point |
|
|
ethyne |
Noun
|
a colorless flammable gas used chiefly in welding and in organic synthesis |
|
|
einsteinium |
Noun
|
a radioactive transuranic element produced by bombarding plutonium with neutrons |
|
|
erbium |
Noun
|
a trivalent metallic element of the rare earth group |
|
|
europium |
Noun
|
a bivalent and trivalent metallic element of the rare earth group |
|
|
earth color |
Noun
|
a colored mineral used as a pigment |
|
|
emery |
Noun
|
a hard grey-black mineral consisting of corundum and either hematite or magnetite |
|
|
emulsifier |
Noun
|
a surface-active agent that promotes the formation of an emulsion |
|
|
erythrite |
Noun
|
a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass |
|
|
earth wax |
Noun
|
a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum |
|
|
ethanal trimer |
Noun
|
a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent |
|
|
electrum |
Noun
|
an alloy of gold and silver |
|
|
enzyme |
Noun
|
any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions |
|
|
ethanol |
Noun
|
the intoxicating agent in fermented and distilled liquors |
|
|
ethyl |
Noun
|
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom |
|
|
ethyl group |
Noun
|
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom |
|
|
ethyl radical |
Noun
|
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom |
|
|
ethanal |
Noun
|
a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs |
|
|
ethanamide |
Noun
|
a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds |
|
|
ephedrine |
Noun
|
white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically |
|
|
ergonovine |
Noun
|
an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot |
|
|
ergotamine |
Noun
|
an alkaloid derived from ergot that is less toxic than ergot |
|
|
epsilon toxin |
Noun
|
a bacterial toxin produced by clostridium perfringens |
|
|
estrogen |
Noun
|
a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics |
|
|
electrolyte acid |
Noun
|
dilute sulfuric acid used in storage batteries |
|
|
estradiol |
Noun
|
the most powerful female hormone that occurs naturally |
|
|
estriol |
Noun
|
a naturally occurring estrogenic hormone |
|
|
estrone |
Noun
|
a naturally occurring weak estrogenic hormone secreted by the mammalian ovary |
|
|
ethanoyl chloride |
Noun
|
colorless liquid acyl chloride (CH3COCl) that has a pungent odor |
|
|
endorphin |
Noun
|
a neurochemical occurring naturally in the brain and having analgesic properties |
|
|
enkephalin |
Noun
|
an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere |
|
|
eicosapentaenoic acid |
Noun
|
an omega-3 fatty acid with 20 carbon atoms |
|
|
eleostearic acid |
Noun
|
a crystalline unsaturated fatty acid |
|
|
elaeostearic acid |
Noun
|
a crystalline unsaturated fatty acid |
|
|
electrolyte |
Noun
|
a solution that conducts electricity |
|
|
eluate |
Noun
|
a liquid solution that results from elution |
|
|
elastase |
Noun
|
a pancreatic enzyme that catalyzes the hydrolysis of elastin |
|
|
emery cloth |
Noun
|
cloth covered with powdered emery |
|
|
emery paper |
Noun
|
stiff paper coated with powdered emery or sand |
|
|
emery stone |
Noun
|
a mixture of emery dust and a binder |
|
|
emery rock |
Noun
|
a mixture of emery dust and a binder |
|
|
enterokinase |
Noun
|
enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin |
|
|
erythropoietin |
Noun
|
a glycoprotein secreted by the kidneys that stimulates the production of red blood cells |
|
|
ester |
Noun
|
formed by reaction between an acid and an alcohol with elimination of water |
|
|
ethane |
Noun
|
a colorless odorless alkane gas used as fuel |
|
|
ethyl acetate |
Noun
|
a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid |
|
|
ethylene |
Noun
|
a flammable colorless gaseous alkene |
|
|
ethene |
Noun
|
a flammable colorless gaseous alkene |
|
|
ethylenediaminetetraacetic acid |
Noun
|
a complex molecule used medically to chelate metal ions in cases of lead or heavy metal poisoning |
|
|
ethylene glycol |
Noun
|
a sweet but poisonous syrupy liquid used as an antifreeze and solvent |