activity

American  

[ak-tiv-i-tee] / ækˈtɪv ɪ ti /

noun

plural

activities

1. the state or quality of being active.

   There was not much activity in the stock market today. He doesn't have enough physical activity in his life.

2. a specific deed, action, function, or sphere of action.

   social activities.

3. work, especially in elementary grades at school, that involves direct experience by the student rather than textbook study.

4. energetic activity; animation; liveliness.

5. a use of energy or force; an active movement or operation.

6. normal mental or bodily power, function, or process.

7. Physical Chemistry. the capacity of a substance to react, corrected for the loss of reactivity due to the interaction of its constituents.

8. Physics.

   1. the number of atoms of a radioactive substance that disintegrate per unit of time, usually expressed in curies.

   2. radioactivity.

9. an organizational unit or the function it performs.

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activity British  

/ ækˈtɪvɪtɪ /

noun

1. the state or quality of being active

2. lively action or movement

3. any specific deed, action, pursuit, etc

   recreational activities

4. the number of disintegrations of a radioactive substance in a given unit of time, usually expressed in curies or disintegrations per second

5. 1. the capacity of a substance to undergo chemical change

   2. the effective concentration of a substance in a chemical system. The absolute activity of a substance B, λ B , is defined as exp (μ B RT ) where μ B is the chemical potential

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Other Word Forms

• nonactivity noun
• preactivity noun
• superactivity noun

Etymology

Origin of activity

First recorded in 1520–30; from Middle French or directly from Medieval Latin āctīvitās; active, -ity

Example Sentences

So you get a massive amount of servers and locations to choose from and torrenting and streaming are supported on all servers, so there are no dedicated servers to choose from based on your activities.

From Salon

President Cyril Ramaphosa earlier this year announced the deployment of 2,200 soldiers to five of the country's nine provinces hardest hit by criminal activities.

From BBC

North Lanarkshire Council - which has been run by a minority Labour administration since 2022 - will also vote on whether to suspend activity with the Scottish Youth Parliament, where Linden previously served as chairman.

From BBC

Nearly 70% of companies with more than 500 employees were already using employee-monitoring systems in 2022, such as software that monitors computer activity, according to a survey from the International Data Corporation.

From MarketWatch

Economic activity in Canada remained positive in the early months of the year despite volatility in manufacturing and continued unease over trade.

From The Wall Street Journal

Related Words

• act
• endeavor
• enterprise
• job
• project
• scheme
• task
• venture
• work