activity


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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.

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 (μBRT) where μB is the chemical potential

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.
9. an organizational unit or the function it performs.
[1520–30; (< Middle French) < Medieval Latin]

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.activity - any specific behavioractivity - 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 activeactivity - 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"
inaction, inactiveness, inactivity - the state of being inactive
3.activity - an organic process that takes place in the bodyactivity - 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 reactionactivity - (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)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
clotting, coagulation, curdling - the process of forming semisolid lumps in a liquid
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
ionisation, ionization - the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
leach, leaching - the process of leaching
magnetic induction, magnetisation, magnetization - the process that makes a substance magnetic (temporarily or permanently)
6.activity - the trait of being activeactivity - 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
pizzaz, pizzazz, zing, oomph, dynamism - the activeness of an energetic personality

activity

noun
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"

activity

noun
Energetic physical action:
Translations
فَعَالِيَّه، نَشَاطنَشَاط
активност
aktivitačinnostruchživostčilost
aktivitetfritidsbeskæftigelse
toimintaaktiivisuusaktiviteettiaskartelu
djelatnost
aktivitáselfoglaltság
athafnasemitómstundagaman; viîfangsefni
活動
활동
activitate
aktivita
dejavnost
aktivitetverksamhet
กิจกรรม
hoạt động

activity

[ækˈtɪvɪtɪ]
A. N [of person] → actividad f; (in port, town) → movimiento m, actividad f
business activitiesactividades fpl comerciales
leisure activitiespasatiempos mpl
social activitiesactividades fpl sociales
terrorist activitiesactividades 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

[ækˈtɪvɪti] n
(= being active) → activité f
economic activity → activité économique
(= pastime) → activité f
outdoor activities → les activités de plein air
(= action) → activité f
terrorist activities → activités terroristesactivity holiday nvacances fpl activesact of faith nacte m de foiact of God ncatastrophe f naturelleAct of Parliament n (British)loi f
by an Act of Parliament, by Act of Parliament → par une loi

activity

n
no plAktivität f; (in market, town, office) → Geschäftigkeit f, → geschäftiges Treiben; (mental) → Betätigung f; a scene of great activityein Bild geschäftigen Treibens; a new sphere of activityein neues Betätigungsfeld, ein neuer Wirkungskreis
(= pastime)Betätigung f; classroom activitiesschulische Tätigkeiten pl; the church organizes many activitiesdie Kirche organisiert viele Veranstaltungen; business/social activitiesgeschäftliche/gesellschaftliche Unternehmungen pl; criminal activitieskriminelle Tätigkeiten or Aktivitäten pl; a programme of activitiesein Veranstaltungsprogramm nt
(= radioactivity)Radioaktivität f

activity

[ækˈtɪvɪtɪ] n (gen) → attività f inv; (of scene) → animazione f, movimento
social activities → attività ricreative

active

(ˈӕktiv) adjective
1. energetic or lively; able to work etc. At seventy, he's no longer very active.
2. (busily) involved. She is an active supporter of women's rights.
3. causing an effect or effects. Yeast is an active ingredient in bread-making.
4. in force. The rule is still active.
5. (of volcanoes) still likely to erupt.
6. of the form of a verb in which the subject performs the action of the verb. The dog bit the man.
ˈactiveness noun
ˈactively adverb
actively engaged in politics.
acˈtivityplural acˈtivities noun
1. the state of being active or lively. The streets are full of activity this morning.
2. something which one does as a pastime, as part of one's job etc. His activities include fishing and golf.

activity

نَشَاط aktivita aktivitet Aktivität δραστηριότητα actividad toiminta activité djelatnost attività 活動 활동 activiteit aktivitet działanie atividade деятельность aktivitet กิจกรรม etkinlik hoạt động 活动

ac·tiv·i·ty

n. actividad, ejercicio, ocupación, evento.

activity

n (pl -ties) actividad f; activities of daily living actividades cotidianas; strenuous activities actividades extenuantes
References in classic literature ?
Their restless activity, like unto the beating of the wings of an imprisoned bird, had given him his name.
From one activity to another had Tom Swift gone, now constructing some important invention for himself, as among others, when he made the photo-telephone, or developed a great searchlight which he presented to the Government for use in detecting smugglers on the border.
exclaimed the two companions of the scout, who had continued until this part of the dialogue, seated immovable, and apparently indifferent to what passed, but who now sprang to their feet with an activity and interest that had evidently got the better of their reserve by surprise.
I often went a hunting with them, and frequently gained their applause for my activity at our shooting-matches.
Nor did she misinterpret Phoebe's character, and the genial activity pervading it,--one of the most valuable traits of the true New England woman,--which had impelled her forth, as might be said, to seek her fortune, but with a self-respecting purpose to confer as much benefit as she could anywise receive.
Poking and burrowing into the heaped-up rubbish in the corner, unfolding one and another document, and reading the names of vessels that had long ago foundered at sea or rotted at the wharves, and those of merchants never heard of now on 'Change, nor very readily decipherable on their mossy tombstones; glancing at such matters with the saddened, weary, half-reluctant interest which we bestow on the corpse of dead activity -- and exerting my fancy, sluggish with little use, to raise up from these dry bones an image of the old towns brighter aspect, when India was a new region, and only Salem knew the way thither -- I chanced to lay my hand on a small package, carefully done up in a piece of ancient yellow parchment.
It was a pity that I needed once more to describe the portentous little activity by which she sought to divert my attention--the perceptible increase of movement, the greater intensity of play, the singing, the gabbling of nonsense, and the invitation to romp.
The urbane activity with which a man receives money is really marvellous, considering that we so earnestly believe money to be the root of all earthly ills, and that on no account can a monied man enter heaven.
But here be it premised, that owing to the unwearied activity with which of late they have been hunted over all four oceans, the Sperm Whales, instead of almost invariably sailing in small detached companies, as in former times, are now frequently met with in extensive herds, sometimes embracing so great a multitude, that it would almost seem as if numerous nations of them had sworn solemn league and covenant for mutual assistance and protection.
It was like the murmuring of the bees in the spring, the whisperings of the forest; it suggested endless activity, the rumblings of a world in motion.
Now for the cake," said Mas'r George, when the activity of the griddle department had somewhat subsided; and, with that, the youngster flourished a large knife over the article in question.
They shook their heads, raised their tails, and rushed up and down a hill, and I perceived by their horns, as well as by their activity, their relation to the deer tribe.

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