单词	reaction
释义	reaction noun re·​ac·​tion rē-ˈak-shən  1 a : the act or process or an instance of reacting b : resistance or opposition to a force, influence, or movement especially : tendency toward a former and usually outmoded political or social order or policy 2 : a response to some treatment, situation, or stimulus her stunned reaction to the news also : such a response expressed verbally critical reaction to the play 3 : bodily response to or activity aroused by a stimulus: a : an action induced by vital resistance to another action especially : the response of tissues to a foreign substance (such as an antigen or infectious agent) b : depression or exhaustion due to excessive exertion or stimulation c : heightened activity and overaction succeeding depression or shock d : a mental or emotional disorder forming an individual's response to his or her life situation 4 : the force that a body subjected to the action of a force from another body exerts in the opposite direction 5 a(1) : chemical transformation or change : the interaction of chemical entities (2) : the state resulting from such a reaction b : a process involving change in atomic nuclei Synonyms answer reply response take See all Synonyms & Antonyms Example Sentences Their reaction to the news was positive. When I told him what happened, his immediate reaction was one of shock. The announcement produced an angry reaction from most of the people at the meeting. My first reaction when I met him was not to trust him. There hasn't yet been much reaction to the announcement. There has been strong reaction against the government's policies. A good driver has quick reactions. The speed of his reactions saved his life. See More Recent Examples on the Web My hope is that people will take the time to stand still and think here, to fully experience these elements together and have an emotional reaction that stays with them long after their visit. Norman Vanamee, Town & Country, 7 Sep. 2022 Yet in September, 2022, millions of people saw an image and had the exact same reaction, and rallied together to achieve a common cause. Will Sloan, The New Yorker, 6 Sep. 2022 Parents have argued the bill would interfere with their rights to choose what is best for their child and could lead to treatment complications if a child had a serious reaction and hadn't disclosed that they were vaccinated. Anahi Valenzuela, The Week, 31 Aug. 2022 That's why some people may only have a mild reaction to bites, while others, more sensitive to the foreign protein, react with large areas of swelling that are more painful. Melissa Mahtani, CNN, 31 Aug. 2022 Generally, this happens when someone with a seasonal allergy has a reaction in their mouth and throat to a fruit or vegetable that contains a similar protein. Emilia Benton, Men's Health, 29 Aug. 2022 Key Arizona Republicans had no immediate reaction to Hamadeh's teenage posts, although many are listing election security among their top issues and advocating for legislation that will tighten voting laws in future elections. Tara Kavaler, The Arizona Republic, 25 Aug. 2022 Neither Fox nor Croft had any discernible reaction as U.S. District Judge Robert Jonker read the verdicts, both staring forward and occasionally leaning over to speak to their attorneys. Tresa Baldas, Detroit Free Press, 23 Aug. 2022 Neither Fox nor Croft had any discernible reaction as U.S. District Judge Robert Jonker read the verdicts, both staring forward and occasionally leaning over to speak to their attorneys. Tresa Baldas, USA TODAY, 23 Aug. 2022 See More Word History First Known Use 1585, in the meaning defined at sense 1a Phrases Containing reaction dark reaction cross-reaction Feulgen reaction counter-reaction chemical reaction chain reaction alarm reaction polymerase chain reaction Hill reaction light reaction in reaction to nuclear reaction Wassermann reaction Maillard reaction mixed reaction reaction gif See More dark reaction cross-reaction Feulgen reaction counter-reaction chemical reaction chain reaction alarm reaction polymerase chain reaction Hill reaction light reaction in reaction to nuclear reaction Wassermann reaction Maillard reaction mixed reaction reaction gif See More Kids Definition reaction noun re·​ac·​tion rē-ˈak-shən  1 : behavior or attitude in response to something What was your reaction to the news? 2 : a response of the body to a stimulus He had an allergic reaction to peanuts. 3 : a chemical change that is brought about by the action of one substance on another and results in a new substance being formed Medical Definition reaction noun re·​ac·​tion rē-ˈak-shən  1 : the act or process or an instance of reacting 2 : bodily response to or activity aroused by a stimulus: a : an action induced by vital resistance to another action especially : the response of tissues to a foreign substance (as an antigen or infectious agent) b : depression or exhaustion due to excessive exertion or stimulation c : abnormally heightened activity succeeding depression or shock d : a mental or emotional disorder forming an individual's response to his or her life situation 3 : the force that a body subjected to the action of a force from another body exerts in the opposite direction 4 a(1) : chemical transformation or change : the interaction of chemical entities (2) : the state resulting from such a reaction b : a process involving change in atomic nuclei reaction noun as in response action or behavior that is done in return to other action or behavior we were startled by her extreme reaction to being jilted by her boyfriend Synonyms & Similar Words Relevance response answer take reply backlash reflex revulsion recoil rebound counterreaction kickback counterresponse rise Antonyms & Near Antonyms action behavior effect cause
随便看	iguape iguassus iguazus iguazú Iguaçú IGY ihi Ihlat ihlats ihleite ihp ihram ihrams IHS IHVH ii IIE iier iiest iiier iiiest iiis iis iiwi iiwis

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