The condition in which things are happening or being done
there has been a sustained level of activity in the economy
16 is the general age of consent for sexual activity
Busy or vigorous action or movement
the room was a hive of activity
A thing that a person or group does or has done
the firm's marketing activities
A recreational pursuit or pastime
a range of sports activities
Actions taken by a group in order to achieve their aims
the police were investigating anarchist activities
The degree to which something displays its characteristic property or behavior
abnormal liver enzyme activities
A thermodynamic quantity representing the effective concentration of a particular component in a solution or other system, equal to its concentration multiplied by an activity coefficient
(activity) any specific behavior; "they avoided all recreational activity"
(activity) action: the state of being active; "his sphere of activity"; "he is out of action"
(activity) bodily process: an organic process that takes place in the body; "respiratory activity"
(activity) (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"
(activity) natural process: a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
(Activity (Death Note episode)) The Japanese animation television series Death Note, is based on the manga series written by Tsugumi Ohba and illustrated by Takeshi Obata. ...
(Activity (project management)) In project management a task is an activity that needs to be accomplished within a defined period of time. An assignment is a task under the responsibility of an assignee which should have a start and end date defined. ...
(Activity (radioactivity)) Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting ionizing particles or radiation. The emission is spontaneous in that the nucleus decays without collision with another particle. ...
(Activity (software engineering)) Activity diagrams are graphical representations of workflows of stepwise activities and actions with support for choice, iteration and concurrency. ...
(Activity (soil mechanics)) The Atterberg limits are a basic measure of the nature of a fine-grained soil. Depending on the water content of the soil, it may appear in four states: solid, semi-solid, plastic and liquid. ...
(Activity (thermodynamics)) In chemical thermodynamics activity (symbol: a) is a measure of the “effective concentration” of a species in a mixture. By convention, it is treated as a dimensionless quantity, although its actual value depends on customary choices of standard state for the species. ...
(activity) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities; something done as an action or a movement; something done for pleasure or entertainment, especially one involving movement or ...
(Activity) A standard Type used to describe puzzles, models, paper dolls, or any other page that encourages reader interaction.
Activity is any transaction that appears on your bill, including purchases, cash advances, finance charges and fees. It also includes any payments made.
(Activity) An element of work performed during the course of a project; an activity normally has an expected duration, cost and resource requirements, and may be divided into tasks.
(Activity) For the purposes of the TenStep Project Management Process, an activity is the smallest unit of work identified on the project workplan. (In other methodologies, an activity may be broken down even further into tasks.)
(Activity) Here at Battlefield LIVE North Devon we class ourselves as an outdoor activity, that is somthing to go and do outside, get some fresh air, get active, and even loose some weight. ...
(Activity) A process, function, or task that occurs over time and has recognizable results. Activities combine to form business processes.
(Activity) is the execution of a task or action by an individual. 
(Activity) Work performed by people, equipment, technologies, or facilities. Activities are usually described by the action-verb-adjective-noun grammar convention. Activities may occur in a linked sequence and activity-to-activity assignments may exist.
(Activity) A single screen in an application, with supporting Java code, derived from the Activity class. Most commonly, an activity is visibly represented by a full screen window that can receive and handle UI events and perform complex tasks, because of the Window it uses to render its window. ...
(activity) Department of Defense unit, organization, or installation performing a function or mission. [DSS]
(activity) An event that gives rise to the consumption of resources
(Activity) Refers to the activity, energy, vigor and liveliness of the hind legs.
(Activity) A specific and distinguishable service provided by the Village government.