a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
the state of being active; "his sphere of activity"; "he is out of action"
(chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"
any specific behavior; "they avoided all recreational activity"
the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"
an organic process that takes place in the body; "respiratory activity"
the act of escaping physically; "he made his escape from the mental hospital"; "the canary escaped from its cage"; "his flight was an indication of his guilt"
a means or way of escaping; "hard work was his escape from worry"; "they installed a second hatch as an escape"; "their escape route"
an avoidance of danger or difficulty; "that was a narrow escape"
an inclination to retreat from unpleasant realities through diversion or fantasy; "romantic novels were her escape from the stress of daily life"; "his alcohol problem was a form of escapism"
nonperformance of something distasteful (as by deceit or trickery) that you are supposed to do; "his evasion of his clear duty was reprehensible"; "that escape from the consequences is possible but unattractive"
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
issue or leak, as from a small openi
an auxiliary activity
small Old World falcon formerly trained and flown at small birds
a child's plaything consisting of an imitation horse mounted on rockers; the child straddles it and pretends to ride