活動 - The Free Dictionaryによる活動の定義

Activity - definition of activity by The Free Dictionary Activity - definition of activity by The Free Dictionary https://www.thefreedictionary.com/activity Printer Friendly activity Also found in: Thesaurus , Medical , Legal , Financial , Acronyms , Idioms , Encyclopedia , Wikipedia . ac·tiv·i·ty (ăk-tĭv′ĭ-tē) n. pl. ac·tiv·i·ties 1. The state of being active. 2. Energetic action or movement; liveliness. 3. a. A specified pursuit in which a person partakes. b. An educational process or procedure intended to stimulate learning through actual experience. 4. The intensity of a radioactive source. 5. The ability to take part in a chemical reaction. 6. A physiological process: respiratory activity. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. activity ( ækˈtɪvɪtɪ ) n , pl -ties 1. the state or quality of being active 2. lively action or movement 3. any specific deed, action, pursuit, etc: recreational activities . 4. (General Physics) the number of disintegrations of a radioactive substance in a given unit of time, usually expressed in curies or disintegrations per second 5. (Chemistry) a. the capacity of a substance to undergo chemical change b. the effective concentration of a substance in a chemical system. The absolute activity of a substance B, λB, is defined as exp (μB RT ) where μB is the chemical potential Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 ac•tiv•i•ty (ækˈtɪv ɪ ti) n., pl. -ties. 1. the state or quality of being active. 2. energetic activity; animation; liveliness. 3. a specific deed, action, function, or sphere of action: social activities. 4. an educational task that involves direct experience and participation of the student. 5. a use of energy or force; an active movement or operation. 6. normal mental or bodily power, function, or process. 7. the capacity of a chemical substance to react, corrected for the loss of reactivity due to the interaction of its constituents. 8. a. the number of atoms of a radioactive substance that disintegrate per unit of time, usu. expressed in curies. b. radioactivity. 9. an organizational unit or the function it performs. [1520–30; (< Middle French) < Medieval Latin] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved. activity 1. A unit, organization, or installation performing a function or mission, e.g., reception center, redistribution center, naval station, naval shipyard. 2. A function, mission, action, or collection of actions. Also called ACT. See also establishment. Dictionary of Military and Associated Terms. US Department of Defense 2005. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus Noun 1. activity - any specific behavior; "they avoided all recreational activity" human action , human activity , act , deed - something that people do or cause to happen variation , variance - an activity that varies from a norm or standard; "any variation in his routine was immediately reported" space walk - any kind of physical activity outside a spacecraft by one of the crew domesticity - domestic activities or life; "making a hobby of domesticity" operation - the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride" operation - a planned activity involving many people performing various actions; "they organized a rescue operation"; "the biggest police operation in French history"; "running a restaurant is quite an operation"; "consolidate the companies various operations" practice , pattern - a customary way of operation or behavior; "it is their practice to give annual raises"; "they changed their dietary pattern" diversion , recreation - an activity that diverts or amuses or stimulates; "scuba diving is provided as a diversion for tourists"; "for recreation he wrote poetry and solved crossword puzzles"; "drug abuse is often regarded as a form of recreation" cup of tea , dish , bag - an activity that you like or at which you are superior; "chemistry is not my cup of tea"; "his bag now is learning to play golf"; "marriage was scarcely his dish" followup , follow-up - an activity that continues something that has already begun or that repeats something that has already been done game - a contest with rules to determine a winner; "you need four people to play this game" turn , play - (game) the activity of doing something in an agreed succession; "it is my turn"; "it is still my play" music - musical activity (singing or whistling etc.); "his music was his central interest" acting , performing , playacting , playing - the performance of a part or role in a drama liveliness , animation - general activity and motion burst , fit - a sudden flurry of activity (often for no obvious reason); "a burst of applause"; "a fit of housecleaning" work - activity directed toward making or doing something; "she checked several points needing further work" deeds , works - performance of moral or religious acts; "salvation by deeds"; "the reward for good works" service - (law) the acts performed by an English feudal tenant for the benefit of his lord which formed the consideration for the property granted to him job , line of work , occupation , business , line - the principal activity in your life that you do to earn money; "he's not in my line of business" occupation - any activity that occupies a person's attention; "he missed the bell in his occupation with the computer game" committal to writing , writing - the activity of putting something in written form; "she did the thinking while he did the writing" role - normal or customary activity of a person in a particular social setting; "what is your role on the team?" actus reus , wrongful conduct , misconduct , wrongdoing - activity that transgresses moral or civil law; "he denied any wrongdoing" waste , wastefulness , dissipation - useless or profitless activity; using or expending or consuming thoughtlessly or carelessly; "if the effort brings no compensating gain it is a waste"; "mindless dissipation of natural resources" attempt , effort , try , endeavor , endeavour - earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try" control - the activity of managing or exerting control over something; "the control of the mob by the police was admirable" protection - the activity of protecting someone or something; "the witnesses demanded police protection" sensory activity - activity intended to achieve a particular sensory result didactics , education , educational activity , instruction , pedagogy , teaching - the activities of educating or instructing; activities that impart knowledge or skill; "he received no formal education"; "our instruction was carefully programmed"; "good classroom teaching is seldom rewarded" grooming , training , preparation - activity leading to skilled behavior representation - an activity that stands as an equivalent of something or results in an equivalent creation , creative activity - the human act of creating disassembly , dismantlement , dismantling - the act of taking something apart (as a piece of machinery); "Russia and the United States discussed the dismantling of their nuclear weapons" puncture - the act of puncturing or perforating inactivity - being inactive; being less active 2. activity - the state of being active; "his sphere of activity"; "he is out of action" activeness , action state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state" agency - the state of being in action or exerting power; "the agency of providence"; "she has free agency" busyness , hum - the state of being or appearing to be actively engaged in an activity; "they manifested all the busyness of a pack of beavers"; "there is a constant hum of military preparation" behaviour , behavior - the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments" eructation , extravasation , eruption - (of volcanos) pouring out fumes or lava (or a deposit so formed) operation - the state of being in effect or being operative; "that rule is no longer in operation" overdrive - the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive" play - a state in which action is feasible; "the ball was still in play"; "insiders said the company's stock was in play" swing - a state of steady vigorous action that is characteristic of an activity; "the party went with a swing"; "it took time to get into the swing of things" inaction , inactiveness , inactivity - the state of being inactive 3. activity - an organic process that takes place in the body; "respiratory activity" bodily function , bodily process , body process control - (physiology) regulation or maintenance of a function or action or reflex etc; "the timing and control of his movements were unimpaired"; "he had lost control of his sphincters" breathing , external respiration , respiration , ventilation - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation respiration - a single complete act of breathing in and out; "thirty respirations per minute" breath - the process of taking in and expelling air during breathing; "he took a deep breath and dived into the pool"; "he was fighting