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3 dicționare găsite pentru reaction
Din dicționarul The Collaborative International Dictionary of English v.0.48 :

  Reaction \Re*ac"tion\ (r[-e]*[a^]k"sh[u^]n), n. [Cf. F.
     1. Any action in resisting other action or force; counter
        tendency; movement in a contrary direction; reverse
        [1913 Webster]
     2. (Chem.) The mutual or reciprocal action of chemical agents
        upon each other, or the action upon such chemical agents
        of some form of energy, as heat, light, or electricity,
        resulting in a chemical change in one or more of these
        agents, with the production of new compounds or the
        manifestation of distinctive characters. See Blowpipe
        reaction, Flame reaction, under Blowpipe, and
        [1913 Webster]
     3. (Med.) An action induced by vital resistance to some other
        action; depression or exhaustion of vital force consequent
        on overexertion or overstimulation; heightened activity
        and overaction succeeding depression or shock.
        [1913 Webster]
     4. (Mech.) The force which a body subjected to the action of
        a force from another body exerts upon the latter body in
        the opposite direction.
        [1913 Webster]
              Reaction is always equal and opposite to action,
              that is to say, the actions of two bodies upon each
              other are always equal and in opposite directions.
                                                    --Sir I.
                                                    Newton (3d Law
                                                    of Motion).
        [1913 Webster]
     5. (Politics) Backward tendency or movement after revolution,
        reform, or great progress in any direction.
        [1913 Webster]
              The new king had, at the very moment at which his
              fame and fortune reached the highest point,
              predicted the coming reaction.        --Macaulay.
        [1913 Webster]
     6. (Psycophysics) A regular or characteristic response to a
        stimulation of the nerves.
        [Webster 1913 Suppl.]
     7. An action by a person or people in response to an event.
        The reaction may be primarily mental (" a reaction of
        surprise") but is usually manifested by some activity.
     Reaction time (Physiol.), in nerve physiology, the interval
        between the application of a stimulus to an end organ of
        sense and the reaction or resulting movement; -- called
        also physiological time.
     Reaction wheel (Mech.), a water wheel driven by the
        reaction of water, usually one in which the water,
        entering it centrally, escapes at its periphery in a
        direction opposed to that of its motion by orifices at
        right angles, or inclined, to its radii.
        [1913 Webster]

Din dicționarul WordNet (r) 2.0 :

       n 1: 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"
       2: a bodily process occurring due to the effect of some
          foregoing stimulus or agent; "a bad reaction to the
          medicine"; "his responses have slowed with age" [syn: response]
       3: (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" [syn: chemical reaction]
       4: an idea evoked by some experience; "his reaction to the news
          was to start planning what to do"
       5: doing something in opposition to another way of doing it
          that you don't like; "his style of painting was a reaction
          against cubism"
       6: extreme conservatism in political or social matters; "the
          forces of reaction carried the election"
       7: (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"

Din dicționarul Moby Thesaurus II by Grady Ward, 1.0 :

  246 Moby Thesaurus words for "reaction":
     Bourbonism, Toryism, acknowledgment, action and reaction,
     aeromotor, affect, affection, answer, answering, antagonism,
     antipathy, antiphon, assumption, attitude, back answer, back talk,
     backchat, backlash, backset, backsliding, backward motion,
     backward step, backwardness, backwash, brain disease, challenge,
     clashing, climate of opinion, clout, collision, combative reaction,
     comeback, common belief, community sentiment, compensation,
     complaint, conceit, concept, conception, conclusion, conflict,
     confutation, consensus gentium, conservatism, conservativeness,
     consideration, contradiction, contraposition, contrariety,
     counteraction, counterbalance, counterposition, counterworking,
     crack-up, crankiness, crotchetiness, defiance, demur, die-hardism,
     dispute, dissent, dissentience, echo, effect, emotion,
     emotional charge, emotional disorder, emotional instability,
     emotional shade, estimate, estimation, ethos, evasive reply,
     experience, extreme right, extreme right wing, extreme rightism,
     eye, feedback, feeling, feeling tone, force, foreboding,
     fractiousness, friction, functional nervous disorder,
     general belief, gut reaction, heartthrob, idea, impact, impress,
     impression, imprint, insanity, interference, jet power,
     jet propulsion, judgment, kick, know-nothingism, laissez-faireism,
     lapse, lights, maladjustment, manic-depressive psychosis, mark,
     melancholia, mental disorder, mental illness, mind, monarchism,
     mystique, negativism, nervous breakdown, nervous disorder,
     neurosis, nonconformity, noncooperation, notion, objection,
     observation, obstinacy, old school tie, opinion, opposition,
     opposure, oppugnance, oppugnancy, paranoia, passion,
     passive resistance, personal judgment, personality disorder,
     perverseness, point of view, popular belief, position, posture,
     power plant, presentiment, presumption, prevailing belief, print,
     problems in living, profound sense, protest, psychosis,
     public belief, public opinion, radical rightism,
     ram-jet propulsion, reaction propulsion, reactionariness,
     reactionaryism, ready reply, rebuff, recalcitrance, recalcitrancy,
     recalcitration, receipt, recession, recidivation, recidivism,
     reciprocation, recoil, reentry, reflex, refluence, reflux,
     refractoriness, regress, regression, rejoinder, relapse,
     reluctance, remonstrance, renitence, renitency, repartee,
     repellence, repellency, repercussion, replication, reply, repost,
     reprisal, repugnance, repulse, repulsion, rescript, rescription,
     resistance, resojet propulsion, respondence, response, responsion,
     responsory, retaliation, retort, retroaction, retrocession,
     retroflexion, retrogradation, retrogression, retrusion, return,
     revenge, reverberation, revolt, rightism, riposte, rocket power,
     rocket propulsion, rollback, royalism, schizophrenia, sensation,
     sense, sentiment, setback, short answer, sight, snappy comeback,
     social Darwinism, social maladjustment, stance, stand,
     standpattism, sternway, swimming upstream, theory, thinking,
     thought, throwback, turbojet propulsion, ultraconservatism,
     uncooperativeness, undercurrent, unprogressiveness, view,
     way of thinking, withstanding, witty reply, witty retort,
     yes-and-no answer  

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