reaction -
a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
automatism any reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy)
rebound the act of securing possession of the rebounding basketball after a missed shot
overreaction an excessive reaction; a reaction with inappropriate emotional behavior
immune reaction,
immune response,
immunologic response a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
tropism an involuntary orienting response; positive or negative reaction to a stimulus source
taxis the surgical procedure of manually restoring a displaced body part
kinesis a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation
double take a delayed reaction indicating surprise
passing,
passage success in satisfying a test or requirement; "his future depended on his passing that test"; "he got a pass in introductory chemistry"
answer a nonverbal reaction; "his answer to any problem was to get drunk"; "their answer was to sue me"
reaction -
doing something in opposition to another way of doing it that you don't like; "his style of painting was a reaction against cubism"
reaction -
extreme conservatism in political or social matters; "the forces of reaction carried the election"
conservatism,
conservativism a political or theological orientation advocating the preservation of the best in society and opposing radical changes
reaction -
a response that reveals a person's feelings or attitude; "he was pleased by the audience's reaction to his performance"; "John feared his mother's reaction when she saw the broken lamp"
response the manner in which an electrical or mechanical device responds to an input signal or a range of input signals
reaction -
(mechanics) the equal and opposite force that is produced when any force is applied to a body; "every action has an equal and opposite reaction"
force physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
reaction -
an idea evoked by some experience; "his reaction to the news was to start planning what to do"
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
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
oxidation,
oxidisation,
oxidization the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
