activity
EN
[-ɪvɪti] 
US WActivity
- Activity may refer to:
- Action (philosophy), in general
- The Aristotelian concept of energeia, Latinized as actus
- Activity (UML), a major task in Unified Modeling Language
- Activity, the rate of catalytic activity, such as enzyme activity (enzyme assay), in physical chemistry and enzymology
- Activity (chemistry), the effective concentration of a solute for the purposes of mass action
- Activity (project management)
- Activity, the number of radioactive decays per second
- Activity (software engineering)
- Activity (soil mechanics)
- NounPLactivitiesSUF-ity
- The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
- Pit row was abuzz with activity.
- Something done as an action or a movement.
- The activity for the morning was a walk to the store.
- Something done for pleasure or entertainment, especially one involving movement or an excursion.
- Like most human activities, ballooning has sponsored heroes and hucksters and a good deal in between. For every dedicated scientist patiently recording atmospheric pressure and wind speed while shivering at high altitudes, there is a carnival barker with a bevy of pretty girls willing to dangle from a basket or parachute down to earth.
- Use (of internet, playstation, bank account etc.).
- The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
- More Examples
- Used in the Middle of Sentence
- In this study, we found that inoscavin A and flavonoid were enriched in AcOEt and EtOH extracts, and we showed that these extracts demonstrated antioxidant activity in our studies.
- In the present study, in vitro and in vivo experiments were conducted to investigate the mechanism of action and the antiinflammatory and antiphotoaging activity of K36.
- A previous study suggested that overgeneration of ROS, caused by mitochondria dysfunction or depletion of enzymatic antioxidant system, could inhibit steroidogenic enzymes activity in MGCs and CCs.
- Used in the Ending of Sentence
- The ratio of serum free T3 (FT3) over free T4 (FT4) (FT3/FT4 ratio) may reflect the degree of extrathyroidal T4 to T3 conversion activity.
- Binding of ligand leads to heterodimerisation and activation of HER2 TK activity.
- The boss's visit prompted a brief spurt of activity.
- Used in the Middle of Sentence
Definition of activity in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
Source: Wiktionary
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Grammatically, this word "activity" is a noun, more specifically, a countable noun.