The state or quality of being active; activeness.
The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
Something done as an action or a movement.
Something done for pleasure or entertainment, especially one involving movement or an excursion.
The number of radioactive decays per unit time. Unit for it: becquerel or curie
The propery of substances to react with other substances
A period of reduced activity; a respite
A period of rest or soothing.
A period without waves or wind.
An extended pause between sets of waves.
To cause to rest by soothing influences; to compose; to calm
To become gradually calm; to subside; to cease or abate.