Something done for pleasure or entertainment, especially one involving movement or an excursion.
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.
The state or quality of being active; activeness.
The number of radioactive decays per unit time. Unit for it: becquerel or curie
The propery of substances to react with other substances
The impression of motion in an artwork, painting, novel etc.
An act of emptying the bowels.
Physical motion between points in space.
A trend in various fields or social categories, a group of people with a common ideology who try together to achieve certain general goals
Melodic progression, accentual character, tempo or pace.
A system or mechanism for transmitting motion of a definite character, or for transforming motion, such as the wheelwork of a watch.
An instance of an aircraft taking off or landing.
The deviation of a pitch from ballistic flight.
A pattern in which pairs change opponents and boards move from table to table in duplicate bridge.
A large division of a larger composition.