The AI-powered English dictionary
countable and uncountable, plural activities
(uncountable) The state or quality of being active; activeness. examples
(countable) Something done as an action or a movement. examples
(countable) Something done for pleasure or entertainment, especially one involving movement or an excursion. quotations examples
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.
2013 June 7, David Simpson, “Fantasy of navigation”, in The Guardian Weekly, volume 188, number 26, page 36
(grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point. quotations examples
[…] distinctions among states of affairs are reflected to a striking degree in distinctions among Aktionsart types. That is, situations are expressed by state verbs or predicates, events by achievement verbs or predicates, and actions by activity verbs or predicates.
1997, Robert van Valin, Randy LaPolla, Syntax, page 92
(physics) The number of radioactive decays per unit time. Unit for it: becquerel or curie examples
The property of substances to react with other substances examples