chemical reaction

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chemical reaction

n
(Chemistry) a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei. Compare nuclear reaction
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chemical reaction - (chemistry) a process in which one or more substances are changed into otherschemical reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
addition reaction - a chemical reaction in which one molecule is added to another
aldol reaction - a reaction of aldehydes resulting in an aldol
chain reaction - a series of chemical reactions in which the product of one is a reactant in the next
chemical equilibrium, equilibrium - a chemical reaction and its reverse proceed at equal rates
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
chemical decomposition reaction, decomposition reaction, decomposition - (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
displacement reaction, displacement - (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
double decomposition, double decomposition reaction, metathesis - a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
elimination reaction - a chemical reaction in which a molecule decomposes to two different molecules
endothermic reaction - a chemical reaction accompanied by the absorption of heat
exothermic reaction - a chemical reaction accompanied by the evolution of heat
hydrolysis - a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water
neutralisation, neutralisation reaction, neutralization reaction, neutralization - a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
oxidation, oxidisation, oxidization - the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
oxidation-reduction, oxidoreduction, redox - a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
photochemical reaction - a chemical reaction produced by the action of light
reducing, reduction - any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
saponification - a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)
References in periodicals archive ?
5 also shows that urticaria and fixed drug rashes were the most common morphological reaction types.
After an introduction to catalysis as a whole, he covers acid catalysis, oxidation catalysis, polymerization catalysis, and reduction/hydrogenation catalysis--the major catalytic reaction types of commercial importance.
Our chemistry services cover a wide range of molecule and reaction types.
Few newer drug reaction types have been identified with certain uncommon class of drugs in our study (like Fluconazole & paracetamol induced FDE, levofloxacin & ofloxacin induced SJS & TEN, codeine induced maculopapular rash & fluroquinolones induced angioedema).
A further increase of particle size from 20 to 40 mm affects both primary and secondary reaction types.
Table 3: Reaction types catalyzed by skeletal catalysts
In the known repertoire of reaction types in organic synthesis, this is a relatively very small set.
The authors organize the book according to specific concepts in synthesis as opposed to reaction types, such as asymmetrical transformations, chemical activation modes, classic interactions and kinetic resolution.
By comparison, Penawawa, which has moderate adult plant resistance, had reaction types from 5 to 8 with up to 40% of the leaf area occluded.