ac·tiv·i·ty ( k-t v -t )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. |
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. (Physics / 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 (μBRT) where μB is the chemical potential
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.
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  activity - any specific behavior; "they avoided all recreational activity"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" follow-up, followup - 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" 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" inactivity - being inactive; being less active |
| 2. | activity - the state of being active; "his sphere of activity"; "he is out of 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" | |
| 3. | activity - an organic process that takes place in the body; "respiratory activity" 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 to his last breath" consumption, ingestion, intake, uptake - the process of taking food into the body through the mouth (as by eating) sex, sex activity, sexual activity, sexual practice - activities associated with sexual intercourse; "they had sex in the back seat" insemination - the introduction of semen into the genital tract of a female sleeping - the suspension of consciousness and decrease in metabolic rate response, 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" crying, tears, weeping - the process of shedding tears (usually accompanied by sobs or other inarticulate sounds); "I hate to hear the crying of a child"; "she was in tears" ablactation - the cessation of lactation anastalsis - muscular action of the alimentary tract in a direction opposite to peristalsis expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus" expectoration - the process of coughing up and spitting out festering, suppuration, maturation - (medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus healing - the natural process by which the body repairs itself hypostasis - the accumulation of blood in an organ lactation - the production and secretion of milk by the mammary glands opsonisation, opsonization - process whereby opsonins make an invading microorganism more susceptible to phagocytosis biological process, organic process - a process occurring in living organisms overactivity - excessive activity; "overactivity of the sebaceous glands causes the skin to become oily" peristalsis, vermiculation - the process of wavelike muscle contractions of the alimentary tract that moves food along diaphoresis, hidrosis, sudation, sweating, perspiration - the process of the sweat glands of the skin secreting a salty fluid; "perspiration is a homeostatic process" phagocytosis - process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection pinocytosis - process by which certain cells can engulf and incorporate droplets of fluid placentation - the formation of the placenta in the uterus psilosis - falling out of hair tanning - process in which skin pigmentation darkens as a result of exposure to ultraviolet light transpiration - the process of giving off or exhaling water vapor through the skin or mucous membranes | |
| 4. | activity - (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity" chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions capability, capacity - the susceptibility of something to a particular treatment; "the capability of a metal to be fused" | |
| 5. |  activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls" radiation - the spread of a group of organisms into new habitats absorption - (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules" acidification - the process of becoming acid or being converted into an acid adiabatic process - (thermodynamics) any process that occurs without gain or loss of heat aeration - the process of exposing to air (so as to purify); "the aeration of the soil" antiredeposition - the process of preventing redeposition capture - any process in which an atomic or nuclear system acquires an additional particle capture - a process whereby a star or planet holds an object in its gravitational field centrifugation - the process of separating substances of different densities by the use of a centrifuge chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved chromatography - a process used for separating mixtures by virtue of differences in absorbency concretion - the formation of stonelike objects within a body organ (e.g., the kidneys) condensation - the process of changing from a gaseous to a liquid or solid state convection - (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere decay - the process of gradually becoming inferior demagnetisation, demagnetization - the process of removing magnetization desorption - changing from an adsorbed state on a surface to a gaseous or liquid state diffusion - (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration dissolution, disintegration - separation into component parts distillation, distillment - the process of purifying a liquid by boiling it and condensing its vapors drift - the gradual departure from an intended course due to external influences (as a ship or plane) effervescence - the process of bubbling as gas escapes cataphoresis, dielectrolysis, electrophoresis, ionophoresis - the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode ecesis, establishment - (ecology) the process by which a plant or animal becomes established in a new habitat extinction - the reduction of the intensity of radiation as a consequence of absorption and radiation extraction - the process of obtaining something from a mixture or compound by chemical or physical or mechanical means feedback - the process in which part of the output of a system is returned to its input in order to regulate its further output filtration - the process whereby fluids pass through a filter or a filtering medium flocculation - the process of flocculating; forming woolly cloudlike aggregations flow - any uninterrupted stream or discharge formation - natural process that causes something to form; "the formation of gas in the intestine"; "the formation of crystals"; "the formation of pseudopods" fossilisation, fossilization - the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone geologic process, geological process - (geology) a natural process whereby geological features are modified curing, solidification, solidifying, hardening, set - the process of becoming hard or solid by cooling or drying or crystallization; "the hardening of concrete"; "he tested the set of the glue" inactivation - the process of rendering inactive; "the gene inactivation system"; "thermal inactivation of serum samples" ion exchange - a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing | |
| 6. | activity - the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age" trait - a distinguishing feature of your personal nature brio, invigoration, spiritedness, vivification, animation - quality of being active or spirited or alive and vigorous |
activity
noun
1. action, work, life, labour, movement, energy, exercise, spirit, enterprise, motion, bustle, animation, vigour, hustle, exertion, hurly-burly, liveliness, activeness There is an extraordinary level of activity in the market.
action inertia, inaction, lethargy, inactivity, passivity, idleness, dullness, immobility, torpor, sluggishness, indolence
action inertia, inaction, lethargy, inactivity, passivity, idleness, dullness, immobility, torpor, sluggishness, indolence
2. pursuit, act, project, scheme, task, pleasure, interest, enterprise, undertaking, occupation, hobby, deed, endeavour, pastime, avocation Activities range from canoeing to birdwatching.
3. functioning, power, effect, strength, efficiency, capability, vitality, vigour, potency, efficacy She needed special instruction due to her restricted activity.
Proverbs
"A rolling stone gathers no moss"
"A rolling stone gathers no moss"
Translations
activity [ækˈtɪvɪtɪ]
A. N [of person] → actividad f; (in port, town) → movimiento m, actividad f
business activities → actividades fpl comerciales
leisure activities → pasatiempos mpl
social activities → actividades fpl sociales
terrorist activities → actividades fpl terroristas
business activities → actividades fpl comerciales
leisure activities → pasatiempos mpl
social activities → actividades fpl sociales
terrorist activities → actividades fpl terroristas
B. CPD activity book N (accompanying text book) → libro m de actividades, cuaderno m de actividades; (= book of games) → libro m de pasatiempos
activity holiday N vacaciones con actividades ya programadas
activity holiday N vacaciones con actividades ya programadas
activity [ækˈtɪvɪti] n
(= being active) → activité f
economic activity → activité économique
economic activity → activité économique
(= action) → activité f
terrorist activities → activités terroristes
activity holiday n → vacances fpl actives
act of faith n → acte m de foi
act of God n → catastrophe f naturelle
Act of Parliament n (British) → loi f
by an Act of Parliament, by Act of Parliament → par une loi
terrorist activities → activités terroristes
activity holiday n → vacances fpl actives
act of faith n → acte m de foi
act of God n → catastrophe f naturelle
Act of Parliament n (British) → loi f
by an Act of Parliament, by Act of Parliament → par une loi
activity
n
no pl → Aktivität f; (in market, town, office) → Geschäftigkeit f, → geschäftiges Treiben; (mental) → Betätigung f; a scene of great activity → ein Bild geschäftigen Treibens; a new sphere of activity → ein neues Betätigungsfeld, ein neuer Wirkungskreis
(= pastime) → Betätigung f; classroom activities → schulische Tätigkeiten pl; the church organizes many activities → die Kirche organisiert viele Veranstaltungen; business/social activities → geschäftliche/gesellschaftliche Unternehmungen pl; criminal activities → kriminelle Tätigkeiten or Aktivitäten pl; a programme of activities → ein Veranstaltungsprogramm nt
(= radioactivity) → Radioaktivität f
activity [ækˈtɪvɪtɪ] n (gen) → attività f inv; (of scene) → animazione f, movimento
social activities → attività ricreative
social activities → attività ricreative
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