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chemical    音标拼音: [k'ɛməkəl] [k'ɛmɪkəl]
a. 化学的
n. 化学制品,化学药品

化学的化学制品,化学药品

chemical
化学

chemical
adj 1: relating to or used in chemistry; "chemical engineer";
"chemical balance" [synonym: {chemical}, {chemic}]
2: of or made from or using substances produced by or used in
reactions involving atomic or molecular changes; "chemical
fertilizer"
n 1: material produced by or used in a reaction involving
changes in atoms or molecules [synonym: {chemical}, {chemical
substance}]

Chemical \Chem"ic*al\, n.
A substance used for producing a chemical effect; a reagent.
[1913 Webster]


Chemical \Chem"ic*al\, a.
Pertaining to chemistry; characterized or produced by the
forces and operations of chemistry; employed in the processes
of chemistry; as, chemical changes; chemical combinations.
[1913 Webster]

{Chemical attraction} or {Chemical affinity}. See under
{Attraction}.
[1913 Webster]

152 Moby Thesaurus words for "chemical":
Chile saltpeter, absolute alcohol, acetate, acetone, acid, acidity,
agent, alcohol, aldehyde, alkali, alkalinity, alloisomer, amine,
ammonia, amyl alcohol, anhydride, anion, antacid, arsenate,
arsenite, atom, base, basic, basic anhydride, benzoate,
bicarbonate, bicarbonate of soda, bichloride of mercury,
biochemical, bisulfate, borate, borax, bromide, calcium carbonate,
calcium hydroxide, carbide, carbohydrate, carbon dioxide,
carbon monoxide, carbonate, cation, chemical element, chemicals,
chemicobiological, chemicoengineering, chemicomineralogical,
chemicophysical, chemurgic, chlorate, chlorite, chromate,
chromoisomer, citrate, compound, copolymer, copolymeric,
copolymerous, copperas, cyanide, dehydrated alcohol, dichromate,
dimer, dimeric, dimerous, dioxide, disulfide, electrochemical,
element, elemental, elementary, ester, ethanol, ether, ethyl,
ethyl alcohol, fluoride, formaldehyde, fulminate, halide, halogen,
heavy chemicals, heteromerous, high polymer, homopolymer, hydracid,
hydrate, hydride, hydrocarbon, hydroxide, hypochlorite,
inorganic chemical, inorganic chemistry, iodide, ion, isomer,
isomerous, isopropyl alcohol, ketone, lactate, macrochemical,
macromolecule, metamer, metameric, methane, methanol, methyl,
methyl alcohol, molecule, monomer, monomerous, monoxide,
neutralizer, niter, nitrate, nitride, nitrite, nonacid,
organic chemical, oxalate, oxide, oxyacid, permanganate, peroxide,
petrochemical, phosphate, phosphide, photochemical,
physicochemical, phytochemical, polymer, polymeric, potash,
potassium nitrate, pseudoisomer, radical, radiochemical, reagent,
sal ammoniac, salt, saltpeter, silicate, sodium bicarbonate,
sodium bromide, sodium chloride, sodium hypochlorite, sulfacid,
sulfate, sulfide, sulfite, tartrate, thermochemical, trimer

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  • Chemical compound | Definition, Examples, Types | Britannica
    Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds
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    A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes Elements are the fundamental materials of which all matter is composed Learn more about the origins, distribution, and characteristics of chemical elements in this article
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    This is an interactive periodic table of the elements showing their atomic weights, atomic numbers, electron configurations, and state at room temperature
  • Chemistry - Analysis, Reactions, Compounds | Britannica
    Chemistry - Analysis, Reactions, Compounds: Most of the materials that occur on Earth, such as wood, coal, minerals, or air, are mixtures of many different and distinct chemical substances Each pure chemical substance (e g , oxygen, iron, or water) has a characteristic set of properties that gives it its chemical identity Iron, for example, is a common silver-white metal that melts at 1,535
  • Chemical energy | Definition Facts | Britannica
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