noun. The state of being active.

noun. Energetic action or movement; liveliness.

noun. undefined

noun. A specified pursuit in which a person partakes.

noun. An educational process or procedure intended to stimulate learning through actual experience.

noun. The intensity of a radioactive source.

noun. The ability to take part in a chemical reaction.

noun. A physiological process.

noun. The state of action; doing.

noun. Activeness; the quality of acting promptly and energetically.

noun. An exercise of energy or force; an active movement or operation; a mode or course of action.

noun. In physical, a term introduced by Sir William Thomson as an equivalent of “rate of doing work,” or the rate per unit of time at which energy is given out by a working system.

noun. A physical or gymnastic exercise; an agile performance.

noun. In. psychology, a self-determination of mental process, experienced or inferred, especially characteristic of the conative consciousness.

noun. The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force.

noun. The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.

noun. something done as an action or a movement

noun. something done for pleasure or entertainment, especially one involving movement or an excursion.

noun. Use (of internet, playstation, bank account etc.)

noun. a process existing in or produced by nature (rather than by the intent of human beings)

noun. an organic process that takes place in the body

noun. the state of being active

noun. the trait of being active; moving or acting rapidly and energetically

noun. (chemistry) the capacity of a substance to take part in a chemical reaction

noun. any specific behavior