activity (
http://definr.com/activity)
n 1: any specific activity or pursuit; "they avoided all
recreational activity" [ant:
inactivity]
2: the state of being active; "his sphere of activity"; "he is
out of action" [syn:
action,
activeness] [ant:
inaction,
inaction,
inaction]
3: an organic process that takes place in the body;
"respiratory activity" [syn:
bodily process, {body
process},
bodily function]
4: (chemistry) the capacity of a substance to take part in a
chemical reaction; "catalytic activity"
5: a process existing in or produced by nature (rather than by
the intent of human beings); "the action of natural
forces"; "volcanic activity" [syn:
natural process, {natural
action},
action]
6: radiation resulting from radioactive decay [syn:
radioactivity]
7: the trait of being active; moving or acting rapidly and
energetically; "the level of activity declines with age"
[syn:
activeness] [ant:
inactiveness]