reaction

Related to reaction: reaction time

chain reaction

A series of events wherein the outcome of each instance specifically influences or causes the next. The phrase comes from the occurrence of such reactions in chemistry and physics. Deciding to take a course studying James Joyce in college set up a chain reaction that ultimately led me to move to Ireland. When one bookshelf fell, it caused a chain reaction that knocked over all the rest.
See also: chain, reaction

gut reaction

A reaction to a situation based on a person's instinct and feelings, rather than on a logical analysis. My initial gut reaction was that the merger would result in a drop in stock prices, but the opposite turned out to be true.
See also: gut, reaction

gut reaction to (something)

A reaction to a situation based on a person's instinct and feelings, rather than on a logical analysis. My initial gut reaction to news of the merger was that it would result in a drop in stock prices, but the opposite turned out to be true.
See also: gut, reaction

knee-jerk reaction

Any spontaneous, reflexive, and unthinking reaction or response. I know my knee-jerk reaction to the film's ending was mostly negative, but over time I've come to appreciate its subtlety and poignancy. Unsurprisingly, there has been a knee-jerk reaction from many parents to have the book banned from schools.
See also: reaction

my reaction when

slang A phrase used primarily in online communications alongside images of humorous facial expressions to indicate a person's typical reaction to something. She replied to my SpaceBook post with, "My reaction when people post pictures of their vacation" above a picture of a snoring child. It was a bit rude, but I couldn't help but laugh.
See also: reaction
Farlex Dictionary of Idioms.

knee-jerk reaction

Fig. an automatic or reflex reaction; an immediate reaction made without examining causes or facts. With one of his typical knee-jerk reactions, he said no immediately, citing some moral argument that no one understood.
See also: reaction
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

chain reaction

A series of events in which each influences or gives rise to the next event, as in If one person collects substantial damages by suing a company, you can expect a chain reaction of such lawsuits . The term originated in the physical sciences, first (1920s) chemistry and later (1940) physics; in the latter it denotes a process of nuclear fission. By the 1940s it had been transferred to more general use.
See also: chain, reaction
The American Heritage® Dictionary of Idioms by Christine Ammer.

a gut reaction

COMMON A gut reaction is a reaction that you have immediately and strongly, without thinking about something or being aware of your reasons. At first my gut reaction was to never write again. My heart's loyal to the party but my gut reaction is to vote against the bill.
1. If you describe a task or activity as gut-busting, you mean it is very hard work. It would be hard work, he predicted — back-breaking, gut-busting, unbelievably hard work.
2. You can use gut-busting to describe a very large amount of food. Walker set a record by eating a gut-busting 32 pies.
See also: gut, reaction
Collins COBUILD Idioms Dictionary, 3rd ed.

gut reaction (to something)

n. a basic and immediate response to something. Her gut reaction to the plan is basically a good one.
See also: gut, reaction, something

gut reaction

verb
See gut reaction to something
See also: gut, reaction
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • chain reaction
  • you're it
  • better late than never
  • a rum do
  • a rum go
  • DOS
  • rum
  • period
  • cooling-off period
  • to (one's) advantage
References in periodicals archive
Just over 11 percent (134) of the reactions were categorized as severe, and included symptoms such as swelling in the throat, difficulty breathing, a sudden drop in blood pressure, dizziness or fainting.
'Severe' food allergies in young kids more common than thought
In all the groups, allergic skin reactions or pseudoallergic skin reactions were noted using causality assessment.
Influence of diet and NSAIMs in allergic skin reactions
The purpose of this study was to look for significant differences in the mean scores between 5th grade boys and girls in simple reaction time, one and two choice reaction times.
A measure of reaction times for a diverse group of fifth grade boys and girls
Reaction optimization becomes even more critical as processes are scaled up for further testing, characterization and manufacturing of the compound of interest, but this is where technology has, to date, lagged behind.
Continuous Flow Calorimetry: Achieving the Impossible: Answering FDA's call on pharma to switch from batch to continuous flow processes
The PGL-1 antigen stimulates the formation of IgM anti-PGL-1 antibody, which reacts with newly formed PGL-1 antigen and causes an ENL reaction.8 Acute symptoms found in ENL are suspected to indicate the increasing natural excessive immune function, reflected by an increase in TNF-[alpha], TGF-[beta] and antibody IgM anti-PGL-1.
The relationship between transforming growth factor-[beta] with erythema nodosum leprosum recurring events based on immunoglobulin M anti-phenolic glycolipid-1 and cortisol
Without a history of the previous allergic reaction after being stung, positive skin test, and/or venom-specific IgE are not enough to give the diagnosis.
Use of sIgE/T-IgE in Predicting Systemic Reactions: Retrospective Analysis of 54 Honeybee Venom Allergy Cases in North China
In 2002, Bojan Zalar, Martina Tomori and Ivan Krajnc conducted a study that measured the simple reaction rate in patients with schizophrenia before and after treatment with antipsychotics.
Comparison of the diagnostic and selective reaction time in schizophrenic patients and normal people at Andimeshk city
In the comparison of the reaction time between the groups of male and female, the choice reaction time of male athletes were found shorter than female athletes and the difference was statistically significant (p<0.01).
The comparison of reaction times of karate athletes according to age, gender and status
- Can other drugs administered simultaneously also be responsible of the reaction?
Approach to drug allergies in the childhood
From these data, it can be concluded that a traumatic venepuncture, compared to an easy one, is a strong determinant of a vasovagal reaction. It can, therefore, be stated that a painful stimulus caused by venepuncture can lead to a vasovagal reaction.
Adverse reactions of blood donation: a prospective observational study
Indoor concentration, distribution, and residence time are main aspects to describe the characteristics of both reactants and reaction products.
A new scale for representing the level of reaction in indoor air as affected by ventilation and source
The reactions are meant to make it easier and more fun for women on the app to call out rude or disrespectful behavior.
Soon Tinder Users Will Be Able To Use Reactions To Show Their Dissatisfaction With Matches
The company will roll out 'reactions' instead of a much requested dislike button which will include 'love', 'haha', 'yay', 'wow', 'sad' and 'angry', each of which has a corresponding picture.
Facebook to roll out six 'reactions' instead of dislike button
Green chemistry; environmentally benign reactions, 2d ed.
Green chemistry; environmentally benign reactions, 2d ed