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Activity Definition

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Other Activity Definition

[n] the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"
[n] an organic process that takes place in the body; "respiratory activity"
[n] the state of being active; "his sphere of activity"; "he is out of action"
[n] (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"

See Also...

ablactation, absorption, acidification, act, acting, activating, activation, actus reus, adiabatic process, aeration, agency, anastalsis, animation, animation, antiredeposition, attempt, bag, behavior, behaviour, biological process, breath, breathing, brio, burst, business, busyness, capability, capacity, capture, cataphoresis, centrifugation, ceremony, chemical action, chemical change, chemical process, chromatography, clotting, coagulation, committal to writing, concealing, concealment, concretion, condensation, consumption, continuance, continuation, control, control, convection, creation, creative activity, crying, cup of tea, curdling, decay, deeds, delectation, demagnetisation, demagnetization, demand, desorption, diaphoresis, diffusion, disassembly, discharge, dish, disintegration, dismantlement, dismantling, dissipation, dissolution, distillation, distillment, diversion, domesticity, drift, dynamism, ecesis, education, educational activity, effervescence, effort, electrophoresis, emission, emplacement, employment, endeavor, endeavour, energizing, enjoyment, eructation, eruption, establishment, exercise, expectoration, expelling, external respiration, extinction, extraction, extravasation, feedback, festering, filtration, fit, flocculation, flow, formation, fossilisation, fossilization, fractional process, fractionation, game, geological process, grooming, grouping, hardening, healing, hiding, hidrosis, human action, human activity, hunt, hunting, hypostasis, ignition, inactivation, induction, ingestion, insemination, instruction, intake, invigoration, ion exchange, ionisation, ionization, job, lachrymation, lacrimation, lactation, lamentation, leach, leaching, line, line of work, liveliness, locating, location, magnetic induction, magnetisation, magnetization, materialisation, materialization, maturation, measure, measurement, measuring, mensuration, military operation, misconduct, mourning, music, nuclear reaction, occupation, oomph, opacification, operation, operation, opsonisation, opsonization, organic process, organisation, organization, oscillation, overactivity, oxygenation, pair creation, pair formation, pair production, pattern, pedagogy, performing, peristalsis, perspiration, phagocytosis, phase change, phase transition, physical change, pinocytosis, pizzaz, pizzazz, placement, placentation, play, play, playacting, playing, pleasure, position, positioning, practice, precession of the equinoxes, preparation, procedure, process, process, protection, provision, psilosis, puncture, radiation, reaction, recreation, representation, respiration, response, role, search, sensory activity, service, set, sex, sex activity, sexual activity, sexual practice, sleeping, solidification, solidifying, space walk, spiritedness, state, state change, sudation, supply, supplying, support, supporting, suppuration, sweating, swing, tanning, teaching, tearing, tears, training, trait, transpiration, try, turn, uptake, usage, use, utilisation, utilization, variance, variation, ventilation, vermiculation, vivification, waste, wastefulness, watering, weeping, work, works, worship, writing, wrongdoing, wrongful conduct, zing

Misc. Definitions

\Ac*tiv"i*ty\, n.; pl. {Activities}. [Cf. F. activit['e], LL. activitas.] The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities. ``The activity of toil.'' --Palfrey. Syn: Liveliness; briskness; quickness.

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