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Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states

action, activity, natural process, natural action go
a process existing in or produced by nature (rather than by the intent of human beings)

chemical process, chemical change, chemical action go
(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

reaction, chemical reaction
(chemistry) a process in which one or more substances are changed into others

noun.process

17 Subcategories

addition reaction go
a chemical reaction in which one molecule is added to another
aldol reaction go
a reaction of aldehydes resulting in an aldol
chain reaction go
a series of chemical reactions in which the product of one is a reactant in the next
equilibrium, chemical equilibrium go
a chemical reaction and its reverse proceed at equal rates
decomposition, decomposition reaction, chemical decomposition reaction go
(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
displacement, displacement reaction go
(chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
double decomposition, double decomposition reaction, metathesis go
a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
elimination reaction go
a chemical reaction in which a molecule decomposes to two different molecules
endothermic reaction go
a chemical reaction accompanied by the absorption of heat
exothermic reaction go
a chemical reaction accompanied by the evolution of heat
hydrolysis go
a chemical reaction in which water reacts with a compound to produce other compounds
neutralization, neutralisation, neutralization reaction, neutralisation reaction go
a chemical reaction in which an acid and a base interact with the formation of a salt
oxidation, oxidization, oxidisation go
the process of oxidizing
oxidation-reduction, oxidoreduction, redox go
a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
photochemical reaction go
a chemical reaction produced by the action of light
reduction, reducing go
any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen)
saponification go
a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)