act deed human action human activity | something that people do or cause to happen |
action | something done (usually as opposed to something said), there were stories of murders and other unnatural actions |
course course of action | a mode of action, if you persist in that course you will surely fail, once a nation is embarked on a course of action it becomes extremely difficult for any retraction to take place |
maneuver manoeuvre evasive action | an action aimed at evading an opponent |
performance execution carrying out carrying into action | the act of performing, of doing something successfully, using knowledge as distinguished from merely possessing it, they criticised his performance as mayor, experience generally improves performance |
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 |
action | the most important or interesting work or activity in a specific area or field, the action is no longer in technology stocks but in municipal bonds, gawkers always try to get as close to the action as possible |
reaction response | 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 |
immune response immune reaction 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 |
anamnestic response anamnestic reaction | renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen |
reflex reflex response reflex action instinctive reflex innate reflex inborn reflex unconditioned reflex physiological reaction | an automatic instinctive unlearned reaction to a stimulus |
conditional reflex conditioned reflex acquired reflex conditional reaction conditioned reaction conditional response conditioned response | an acquired response that is under the control of (conditional on the occurrence of) a stimulus |
learned reaction learned response | a reaction that has been acquired by learning |
startle response startle reaction | a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise), involves flexion of most skeletal muscles and a variety of visceral reactions |
military action action | a military engagement, he saw action in Korea |
police action | a local military action without declaration of war, against violators of international peace and order |
replay instant replay action replay | the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape |
group action | action taken by a group of people |
direct action | a protest action by labor or minority groups to obtain their demands |
legal action action action at law | a judicial proceeding brought by one party against another, one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong |
action | an act by a government body or supranational organization, recent federal action undermined the segregationist position, the United Nations must have the power to propose and organize action without being hobbled by irrelevant issues, the Union action of emancipating Southern slaves |
class action class-action suit | a lawsuit brought by a representative member of a large group of people on behalf of all members of the group |
civil action | legal action to protect a private civil right or to compel a civil remedy (as distinguished from criminal prosecution) |
job action | a temporary action by workers to protest management decision or to make demands |
transfusion reaction | reaction of the body to a transfusion of blood that is not compatible with its own blood, an adverse reaction can range from fever and hives to renal failure and shock and death |
Abstract Expressionism action painting | a New York school of painting characterized by freely created abstractions, the first important school of American painting to develop independently of European styles |
action action mechanism | the operating part that transmits power to a mechanism, the piano had a very stiff action |
arena scene of action | a playing field where sports events take place |
delayed action | a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture |
piano action | action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed |
pump action slide action | action mechanism in a modern rifle or shotgun, a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round |
reaction-propulsion engine reaction engine | a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream |
reaction turbine | a turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust |
action | the trait of being active and energetic and forceful, a man of action |
right of action | the legal right to sue |
Wassermann test Wasserman reaction Wassermann | a blood test to detect syphilis, a complement fixation test is used to detect antibodies to the syphilis organism treponema, a positive reaction indicates the presence of antibodies and therefore syphilis infection |
possibility possible action opening | a possible alternative, bankruptcy is always a possibility |
impossibility impossible action | an alternative that is not available |
law of mass action | (chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances |
third law of motion Newton's third law of motion Newton's third law law of action and reaction | action and reaction are equal and opposite |
plan of action | a plan for actively doing something |
reaction | an idea evoked by some experience, his reaction to the news was to start planning what to do |
mass-action principle mass action | (neurology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning |
reaction | extreme conservatism in political or social matters, the forces of reaction carried the election |
action | the series of events that form a plot, his novels always have a lot of action |
social action | a social policy of reform (especially socioeconomic reform) |
affirmative action | a policy designed to redress past discrimination against women and minority groups through measures to improve their economic and educational opportunities, affirmative action has been extremely controversial and was challenged in in the Bakke decision |
cause of action | a claim sufficient to demand judicial attention, the facts that give rise to right of action |
action potential | the local voltage change across the cell wall as a nerve impulse is transmitted |
Irish National Liberation Army INLA People's Liberation Army People's Republican Army Catholic Reaction Force | a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland |