Look up activity in Wiktionary, the free dictionary.

Activity may mean:

• Action (philosophy), in general
• the Aristotelian concept of energeia, Latinized as actus
• physical activity
• mental activity
• Activity (chemistry)
• Activity (UML)
• Activity, an alternative name for the game charades
• Activity, a task.
• Activity, the ability of a piece to influence the game in chess
• Activity, the rate of a catalytic reaction, such as enzyme activity, in physical chemistry and enzymology
• activity (chemistry), the effective concentration of a solute for the purposes of mass action
• activity (project management)
• activity (radioactivity), the number of radioactive decays per second
• activity (software engineering)
• activity (soil mechanics)
• activity diagram, a diagram representing activities in UML
• Activity, a board game by Piatnik & Söhne
• HMS Activity (D94), an aircraft carrier of the Royal Navy
• in military parlance, a military agency or unit (e.g. Intelligence Support Activity)

[edit] See also

• Energy (disambiguation)

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