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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What Is a Chemical? Definition and Examples - Science Notes and Projects A chemical is any substance with a definite composition and distinct properties All matter is made of chemicals, regardless of whether it is natural or synthetic
CHEMICAL Definition Meaning - Merriam-Webster The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry How to use chemical in a sentence
PubChem Search and explore chemical information in the world's largest free chemistry database Search chemicals by name, molecular formula, structure, and other identifiers
Chemistry - Wikipedia Chemical reactions usually involve the making or breaking of chemical bonds Oxidation, reduction, dissociation, acid–base neutralization and molecular rearrangement are some examples of common chemical reactions
Substance (chemistry) - Wikipedia In chemistry, a substance is a unique form of matter with constant chemical composition and characteristic properties [1][2] Chemical substances may take the form of a single element or chemical compounds
ChemicalBook Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc )by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure
CHEMICAL | English meaning - Cambridge Dictionary CHEMICAL definition: 1 any basic substance that is used in or produced by a reaction involving changes to atoms or… Learn more
What is a Chemical ? | Nuclear Regulatory Commission - NRC Chemical changes are different from physical changes, which don't result in a change in substances One example of a physical change is when water freezes into ice
CHEMICAL | definition in the Cambridge English Dictionary CHEMICAL meaning: 1 any basic substance that is used in or produced by a reaction involving changes to atoms or… Learn more
Chemical reaction | Definition, Equations, Examples, Types - Britannica Substances are either chemical elements or compounds A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products