HyperDic: reaction

English > 7 senses of the word reaction:
NOUNprocessreaction, chemical reaction(chemistry) a process in which one or more substances are changed into others
cognitionreactionan idea evoked by some experience
actreaction, responsea bodily process occurring due to the effect of some antecedent stimulus or agent
phenomenonreaction(mechanics) the equal and opposite force that is produced when any force is applied to a body
phenomenonreactiona response that reveals a person's feelings or attitude
cognitionreactionextreme / extreme / extreme conservatism in political or social matters
actreactiondoing something in opposition to another way of doing it that you don't like
reaction > pronunciation
Soundsriyae'kshahn
RhymesAachen ... Zukerman: 2572 rhymes with ahn...
English > reaction: 7 senses > noun 1, process
Meaning(chemistry) a process in which one or more substances are changed into others.
Example"there was a chemical reaction of the lime with the ground water"
Synonymchemical reaction
Categorychemistry, chemical scienceThe science of matter
Narroweraddition reactionA chemical reaction in which one molecule is added to another
aldol reactionA reaction of aldehydes resulting in an aldol
chain reactionA series of chemical reactions in which the product of one is a reactant in the next
chemical equilibrium, equilibriumA chemical reaction and its reverse proceed at equal rates
decomposition, decomposition reaction, chemical decomposition reaction(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
displacement, displacement reaction(chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
double decomposition, double decomposition reaction, metathesisA chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
elimination reactionA chemical reaction in which a molecule decomposes to two different molecules
endothermic reactionA chemical reaction accompanied by the absorption of heat
exothermic reactionA chemical reaction accompanied by the evolution of heat
hydrolysisA chemical reaction in which water reacts with a compound to produce other compounds
neutralization, neutralisation, neutralization reaction, neutralisation reactionA chemical reaction in which an acid and a base interact with the formation of a salt
oxidation, oxidization, oxidisationThe process of oxidizing
oxidation-reduction, oxidoreduction, redoxA reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
photochemical reactionA chemical reaction produced by the action of light
reduction, reducingAny process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen)
saponificationA chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)
Broaderchemical process, chemical change, chemical action(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
Spanishreacción, reacción química
Catalanreacció, reacció química
Verbsreactundergo a chemical reaction
English > reaction: 7 senses > noun 2, cognition
MeaningAn idea evoked by some experience.
Example"his reaction to the news was to start planning what to do"
Broaderidea, thoughtThe content of cognition
Spanishreacción
Catalanreacció
English > reaction: 7 senses > noun 3, act
MeaningA bodily process occurring due to the effect of some antecedent stimulus or agent.
Example"a bad reaction to the medicine"
Synonymresponse
NarroweranswerA nonverbal reaction
automatismAny reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy)
double takeA delayed reaction indicating surprise
galvanic skin response, GSR, psychogalvanic response, electrodermal response, electrical skin response, Fere phenomenon, Tarchanoff phenomenonA change in the electrical properties of the skin in response to stress or anxiety
immune response, immune reaction, immunologic responseA bodily / bodily defense reaction that recognizes an invading substance (an antigen
kinesisA movement that is a response to a stimulus but is not oriented with respect to the source of stimulation
learned reaction, learned responseA reaction that has been acquired by learning
overreactionAn excessive reaction
passage, passingA bodily reaction of changing from one place or stage to another
reboundA reaction to a crisis or setback or frustration
reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reactionAn automatic instinctive unlearned reaction to a stimulus
taxisA locomotor response toward or away from an external stimulus by a motile (and usually simple) organism
transfusion reactionreaction of the body to a transfusion of blood that is not compatible with its own blood
tropismAn involuntary orienting response
Broaderbodily process, body process, bodily function, activityAn organic process that takes place in the body
Spanishreacción, respuesta
Catalanreacció, resposta
Adjectivespsychomotorof or relating to or characterizing mental events that have motor consequences or vice versa
sensorimotorof or relating to the sensory and motor coordination of an organism or to the controlling nerves
Verbsreactshow a response or a reaction to something
English > reaction: 7 senses > noun 4, phenomenon
Meaning(mechanics) the equal and opposite force that is produced when any force is applied to a body.
Example"every action has an equal and opposite reaction"
CategorymechanicsThe branch of physics concerned with the motion / motion of bodies in a frame of reference
Broaderforce(physics) the influence that produces a change in a physical quantity
English > reaction: 7 senses > noun 5, phenomenon
MeaningA response that reveals a person's feelings or attitude.
Examples
  • "he was pleased by the audience's reaction to his performance"
  • "John feared his mother's reaction when she saw the broken lamp"
BroaderresponseA result
Verbsreactshow a response or a reaction to something
English > reaction: 7 senses > noun 6, cognition
Meaningextreme / extreme / extreme conservatism in political or social matters.
Example"the forces of reaction carried the election"
Broaderconservatism, conservativismA political or theological orientation advocating the preservation of the best in society and opposing radical changes
Spanishreacción
Catalanreacció
Adjectivesreactionaryextremely conservative
English > reaction: 7 senses > noun 7, act
MeaningDoing something in opposition to another way of doing it that you don't like.
Example"his style of painting was a reaction against cubism"
NarrowerbacklashAn adverse reaction to some political or social occurrence
Broaderresistance, oppositionThe action of opposing something that you disapprove or disagree with
Spanishreacción
Catalanreacció

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